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[PowerPC] Enhance tests for D83276. NFC.
This commit is contained in:
Kai Luo
parent
e2a03586ce
commit
a7930d8f42
474
test/CodeGen/PowerPC/stack-clash-prologue-nounwind.ll
Normal file
474
test/CodeGen/PowerPC/stack-clash-prologue-nounwind.ll
Normal file
@ -0,0 +1,474 @@
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs \
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; RUN: -mtriple=powerpc64le-linux-gnu < %s | FileCheck \
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; RUN: -check-prefix=CHECK-LE %s
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; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs \
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; RUN: -mtriple=powerpc64-linux-gnu < %s | FileCheck \
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; RUN: -check-prefix=CHECK-BE %s
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; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs \
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; RUN: -mtriple=powerpc-linux-gnu < %s | FileCheck \
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; RUN: -check-prefix=CHECK-32 %s
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; Free probe
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define i8 @f0() #0 nounwind {
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; CHECK-LE-LABEL: f0:
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; CHECK-LE: # %bb.0: # %entry
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; CHECK-LE-NEXT: li r3, 3
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; CHECK-LE-NEXT: stb r3, -64(r1)
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; CHECK-LE-NEXT: lbz r3, -64(r1)
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; CHECK-LE-NEXT: blr
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;
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; CHECK-BE-LABEL: f0:
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; CHECK-BE: # %bb.0: # %entry
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; CHECK-BE-NEXT: li r3, 3
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; CHECK-BE-NEXT: stb r3, -64(r1)
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; CHECK-BE-NEXT: lbz r3, -64(r1)
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; CHECK-BE-NEXT: blr
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;
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; CHECK-32-LABEL: f0:
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; CHECK-32: # %bb.0: # %entry
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; CHECK-32-NEXT: stwu r1, -80(r1)
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; CHECK-32-NEXT: li r3, 3
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; CHECK-32-NEXT: stb r3, 16(r1)
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; CHECK-32-NEXT: lbz r3, 16(r1)
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; CHECK-32-NEXT: addi r1, r1, 80
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; CHECK-32-NEXT: blr
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entry:
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%a = alloca i8, i64 64
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%b = getelementptr inbounds i8, i8* %a, i64 63
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store volatile i8 3, i8* %a
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%c = load volatile i8, i8* %a
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ret i8 %c
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}
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define i8 @f1() #0 "stack-probe-size"="0" nounwind {
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; CHECK-LE-LABEL: f1:
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; CHECK-LE: # %bb.0: # %entry
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; CHECK-LE-NEXT: mr r12, r1
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; CHECK-LE-NEXT: li r0, 259
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; CHECK-LE-NEXT: mtctr r0
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; CHECK-LE-NEXT: .LBB1_1: # %entry
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; CHECK-LE-NEXT: #
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; CHECK-LE-NEXT: stdu r12, -16(r1)
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; CHECK-LE-NEXT: bdnz .LBB1_1
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; CHECK-LE-NEXT: # %bb.2: # %entry
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; CHECK-LE-NEXT: li r3, 3
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; CHECK-LE-NEXT: stb r3, 48(r1)
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; CHECK-LE-NEXT: lbz r3, 48(r1)
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; CHECK-LE-NEXT: addi r1, r1, 4144
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; CHECK-LE-NEXT: blr
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;
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; CHECK-BE-LABEL: f1:
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; CHECK-BE: # %bb.0: # %entry
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; CHECK-BE-NEXT: mr r12, r1
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; CHECK-BE-NEXT: li r0, 260
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; CHECK-BE-NEXT: mtctr r0
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; CHECK-BE-NEXT: .LBB1_1: # %entry
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; CHECK-BE-NEXT: #
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; CHECK-BE-NEXT: stdu r12, -16(r1)
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; CHECK-BE-NEXT: bdnz .LBB1_1
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; CHECK-BE-NEXT: # %bb.2: # %entry
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; CHECK-BE-NEXT: li r3, 3
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; CHECK-BE-NEXT: stb r3, 64(r1)
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; CHECK-BE-NEXT: lbz r3, 64(r1)
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; CHECK-BE-NEXT: addi r1, r1, 4160
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; CHECK-BE-NEXT: blr
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;
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; CHECK-32-LABEL: f1:
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; CHECK-32: # %bb.0: # %entry
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; CHECK-32-NEXT: mr r12, r1
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; CHECK-32-NEXT: li r0, 257
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; CHECK-32-NEXT: mtctr r0
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; CHECK-32-NEXT: .LBB1_1: # %entry
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; CHECK-32-NEXT: #
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; CHECK-32-NEXT: stwu r12, -16(r1)
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; CHECK-32-NEXT: bdnz .LBB1_1
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; CHECK-32-NEXT: # %bb.2: # %entry
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; CHECK-32-NEXT: li r3, 3
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; CHECK-32-NEXT: sub r0, r1, r12
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; CHECK-32-NEXT: stb r3, 16(r1)
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; CHECK-32-NEXT: sub r0, r1, r0
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; CHECK-32-NEXT: lbz r3, 16(r1)
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; CHECK-32-NEXT: addi r1, r1, 4112
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; CHECK-32-NEXT: blr
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entry:
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%a = alloca i8, i64 4096
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%b = getelementptr inbounds i8, i8* %a, i64 63
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store volatile i8 3, i8* %a
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%c = load volatile i8, i8* %a
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ret i8 %c
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}
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define i8 @f2() #0 nounwind {
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; CHECK-LE-LABEL: f2:
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; CHECK-LE: # %bb.0: # %entry
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; CHECK-LE-NEXT: mr r12, r1
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; CHECK-LE-NEXT: stdu r12, -48(r1)
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; CHECK-LE-NEXT: li r0, 16
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; CHECK-LE-NEXT: mtctr r0
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; CHECK-LE-NEXT: .LBB2_1: # %entry
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; CHECK-LE-NEXT: #
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; CHECK-LE-NEXT: stdu r12, -4096(r1)
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; CHECK-LE-NEXT: bdnz .LBB2_1
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; CHECK-LE-NEXT: # %bb.2: # %entry
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; CHECK-LE-NEXT: li r3, 3
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; CHECK-LE-NEXT: stb r3, 48(r1)
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; CHECK-LE-NEXT: lbz r3, 48(r1)
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; CHECK-LE-NEXT: ld r1, 0(r1)
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; CHECK-LE-NEXT: blr
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;
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; CHECK-BE-LABEL: f2:
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; CHECK-BE: # %bb.0: # %entry
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; CHECK-BE-NEXT: mr r12, r1
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; CHECK-BE-NEXT: stdu r12, -64(r1)
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; CHECK-BE-NEXT: li r0, 16
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; CHECK-BE-NEXT: mtctr r0
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; CHECK-BE-NEXT: .LBB2_1: # %entry
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; CHECK-BE-NEXT: #
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; CHECK-BE-NEXT: stdu r12, -4096(r1)
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; CHECK-BE-NEXT: bdnz .LBB2_1
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; CHECK-BE-NEXT: # %bb.2: # %entry
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; CHECK-BE-NEXT: li r3, 3
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; CHECK-BE-NEXT: stb r3, 64(r1)
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; CHECK-BE-NEXT: lbz r3, 64(r1)
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; CHECK-BE-NEXT: ld r1, 0(r1)
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; CHECK-BE-NEXT: blr
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;
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; CHECK-32-LABEL: f2:
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; CHECK-32: # %bb.0: # %entry
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; CHECK-32-NEXT: mr r12, r1
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; CHECK-32-NEXT: stwu r12, -16(r1)
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; CHECK-32-NEXT: li r0, 16
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; CHECK-32-NEXT: mtctr r0
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; CHECK-32-NEXT: .LBB2_1: # %entry
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; CHECK-32-NEXT: #
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; CHECK-32-NEXT: stwu r12, -4096(r1)
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; CHECK-32-NEXT: bdnz .LBB2_1
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; CHECK-32-NEXT: # %bb.2: # %entry
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; CHECK-32-NEXT: sub r0, r1, r12
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; CHECK-32-NEXT: li r3, 3
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; CHECK-32-NEXT: sub r0, r1, r0
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; CHECK-32-NEXT: stb r3, 16(r1)
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; CHECK-32-NEXT: mr r0, r31
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; CHECK-32-NEXT: lbz r3, 16(r1)
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; CHECK-32-NEXT: lwz r31, 0(r1)
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; CHECK-32-NEXT: mr r1, r31
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; CHECK-32-NEXT: mr r31, r0
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; CHECK-32-NEXT: blr
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entry:
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%a = alloca i8, i64 65536
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%b = getelementptr inbounds i8, i8* %a, i64 63
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store volatile i8 3, i8* %a
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%c = load volatile i8, i8* %a
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ret i8 %c
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}
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define i8 @f3() #0 "stack-probe-size"="32768" nounwind {
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; CHECK-LE-LABEL: f3:
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; CHECK-LE: # %bb.0: # %entry
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; CHECK-LE-NEXT: mr r12, r1
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; CHECK-LE-NEXT: stdu r12, -48(r1)
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; CHECK-LE-NEXT: stdu r12, -32768(r1)
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; CHECK-LE-NEXT: stdu r12, -32768(r1)
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; CHECK-LE-NEXT: li r3, 3
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; CHECK-LE-NEXT: stb r3, 48(r1)
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; CHECK-LE-NEXT: lbz r3, 48(r1)
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; CHECK-LE-NEXT: ld r1, 0(r1)
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; CHECK-LE-NEXT: blr
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;
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; CHECK-BE-LABEL: f3:
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; CHECK-BE: # %bb.0: # %entry
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; CHECK-BE-NEXT: mr r12, r1
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; CHECK-BE-NEXT: stdu r12, -64(r1)
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; CHECK-BE-NEXT: stdu r12, -32768(r1)
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; CHECK-BE-NEXT: stdu r12, -32768(r1)
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; CHECK-BE-NEXT: li r3, 3
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; CHECK-BE-NEXT: stb r3, 64(r1)
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; CHECK-BE-NEXT: lbz r3, 64(r1)
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; CHECK-BE-NEXT: ld r1, 0(r1)
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; CHECK-BE-NEXT: blr
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;
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; CHECK-32-LABEL: f3:
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; CHECK-32: # %bb.0: # %entry
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; CHECK-32-NEXT: mr r12, r1
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; CHECK-32-NEXT: stwu r12, -16(r1)
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; CHECK-32-NEXT: stwu r12, -32768(r1)
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; CHECK-32-NEXT: stwu r12, -32768(r1)
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; CHECK-32-NEXT: sub r0, r1, r12
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; CHECK-32-NEXT: li r3, 3
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; CHECK-32-NEXT: sub r0, r1, r0
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; CHECK-32-NEXT: stb r3, 16(r1)
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; CHECK-32-NEXT: mr r0, r31
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; CHECK-32-NEXT: lbz r3, 16(r1)
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; CHECK-32-NEXT: lwz r31, 0(r1)
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; CHECK-32-NEXT: mr r1, r31
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; CHECK-32-NEXT: mr r31, r0
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; CHECK-32-NEXT: blr
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entry:
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%a = alloca i8, i64 65536
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%b = getelementptr inbounds i8, i8* %a, i64 63
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store volatile i8 3, i8* %a
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%c = load volatile i8, i8* %a
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ret i8 %c
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}
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; Same as f2, but without protection.
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define i8 @f4() nounwind {
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; CHECK-LE-LABEL: f4:
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; CHECK-LE: # %bb.0: # %entry
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; CHECK-LE-NEXT: lis r0, -2
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; CHECK-LE-NEXT: ori r0, r0, 65488
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; CHECK-LE-NEXT: stdux r1, r1, r0
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; CHECK-LE-NEXT: li r3, 3
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; CHECK-LE-NEXT: stb r3, 48(r1)
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; CHECK-LE-NEXT: lbz r3, 48(r1)
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; CHECK-LE-NEXT: ld r1, 0(r1)
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; CHECK-LE-NEXT: blr
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;
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; CHECK-BE-LABEL: f4:
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; CHECK-BE: # %bb.0: # %entry
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; CHECK-BE-NEXT: lis r0, -2
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; CHECK-BE-NEXT: ori r0, r0, 65472
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; CHECK-BE-NEXT: stdux r1, r1, r0
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; CHECK-BE-NEXT: li r3, 3
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; CHECK-BE-NEXT: stb r3, 64(r1)
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; CHECK-BE-NEXT: lbz r3, 64(r1)
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; CHECK-BE-NEXT: ld r1, 0(r1)
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; CHECK-BE-NEXT: blr
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;
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; CHECK-32-LABEL: f4:
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; CHECK-32: # %bb.0: # %entry
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; CHECK-32-NEXT: lis r0, -2
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; CHECK-32-NEXT: ori r0, r0, 65520
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; CHECK-32-NEXT: stwux r1, r1, r0
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; CHECK-32-NEXT: li r3, 3
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; CHECK-32-NEXT: sub r0, r1, r0
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; CHECK-32-NEXT: stb r3, 16(r1)
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; CHECK-32-NEXT: mr r0, r31
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; CHECK-32-NEXT: lbz r3, 16(r1)
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; CHECK-32-NEXT: lwz r31, 0(r1)
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; CHECK-32-NEXT: mr r1, r31
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; CHECK-32-NEXT: mr r31, r0
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; CHECK-32-NEXT: blr
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entry:
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%a = alloca i8, i64 65536
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%b = getelementptr inbounds i8, i8* %a, i64 63
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store volatile i8 3, i8* %a
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%c = load volatile i8, i8* %a
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ret i8 %c
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}
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define i8 @f5() #0 "stack-probe-size"="65536" nounwind {
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; CHECK-LE-LABEL: f5:
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; CHECK-LE: # %bb.0: # %entry
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; CHECK-LE-NEXT: mr r12, r1
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; CHECK-LE-NEXT: stdu r12, -48(r1)
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; CHECK-LE-NEXT: li r0, 16
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; CHECK-LE-NEXT: mtctr r0
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; CHECK-LE-NEXT: lis r0, -1
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; CHECK-LE-NEXT: nop
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; CHECK-LE-NEXT: .LBB5_1: # %entry
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; CHECK-LE-NEXT: #
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; CHECK-LE-NEXT: stdux r12, r1, r0
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; CHECK-LE-NEXT: bdnz .LBB5_1
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; CHECK-LE-NEXT: # %bb.2: # %entry
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; CHECK-LE-NEXT: li r3, 3
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; CHECK-LE-NEXT: stb r3, 48(r1)
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; CHECK-LE-NEXT: lbz r3, 48(r1)
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; CHECK-LE-NEXT: ld r1, 0(r1)
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; CHECK-LE-NEXT: blr
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;
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; CHECK-BE-LABEL: f5:
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; CHECK-BE: # %bb.0: # %entry
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; CHECK-BE-NEXT: mr r12, r1
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; CHECK-BE-NEXT: stdu r12, -64(r1)
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; CHECK-BE-NEXT: li r0, 16
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; CHECK-BE-NEXT: mtctr r0
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; CHECK-BE-NEXT: lis r0, -1
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; CHECK-BE-NEXT: nop
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; CHECK-BE-NEXT: .LBB5_1: # %entry
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; CHECK-BE-NEXT: #
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; CHECK-BE-NEXT: stdux r12, r1, r0
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; CHECK-BE-NEXT: bdnz .LBB5_1
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; CHECK-BE-NEXT: # %bb.2: # %entry
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; CHECK-BE-NEXT: li r3, 3
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; CHECK-BE-NEXT: stb r3, 64(r1)
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; CHECK-BE-NEXT: lbz r3, 64(r1)
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; CHECK-BE-NEXT: ld r1, 0(r1)
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; CHECK-BE-NEXT: blr
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;
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; CHECK-32-LABEL: f5:
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; CHECK-32: # %bb.0: # %entry
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; CHECK-32-NEXT: mr r12, r1
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; CHECK-32-NEXT: stwu r12, -16(r1)
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; CHECK-32-NEXT: li r0, 16
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; CHECK-32-NEXT: mtctr r0
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; CHECK-32-NEXT: lis r0, -1
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; CHECK-32-NEXT: nop
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; CHECK-32-NEXT: .LBB5_1: # %entry
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; CHECK-32-NEXT: #
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; CHECK-32-NEXT: stwux r12, r1, r0
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; CHECK-32-NEXT: bdnz .LBB5_1
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; CHECK-32-NEXT: # %bb.2: # %entry
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; CHECK-32-NEXT: sub r0, r1, r12
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; CHECK-32-NEXT: li r3, 3
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; CHECK-32-NEXT: sub r0, r1, r0
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; CHECK-32-NEXT: stb r3, 16(r1)
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; CHECK-32-NEXT: mr r0, r31
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; CHECK-32-NEXT: lbz r3, 16(r1)
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; CHECK-32-NEXT: lwz r31, 0(r1)
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; CHECK-32-NEXT: mr r1, r31
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; CHECK-32-NEXT: mr r31, r0
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; CHECK-32-NEXT: blr
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entry:
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%a = alloca i8, i64 1048576
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%b = getelementptr inbounds i8, i8* %a, i64 63
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store volatile i8 3, i8* %a
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%c = load volatile i8, i8* %a
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ret i8 %c
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}
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define i8 @f6() #0 nounwind {
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; CHECK-LE-LABEL: f6:
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; CHECK-LE: # %bb.0: # %entry
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; CHECK-LE-NEXT: mr r12, r1
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; CHECK-LE-NEXT: stdu r12, -48(r1)
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; CHECK-LE-NEXT: lis r0, 4
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; CHECK-LE-NEXT: nop
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; CHECK-LE-NEXT: mtctr r0
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; CHECK-LE-NEXT: .LBB6_1: # %entry
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; CHECK-LE-NEXT: #
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; CHECK-LE-NEXT: stdu r12, -4096(r1)
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; CHECK-LE-NEXT: bdnz .LBB6_1
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; CHECK-LE-NEXT: # %bb.2: # %entry
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; CHECK-LE-NEXT: li r3, 3
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; CHECK-LE-NEXT: stb r3, 48(r1)
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; CHECK-LE-NEXT: lbz r3, 48(r1)
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; CHECK-LE-NEXT: ld r1, 0(r1)
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; CHECK-LE-NEXT: blr
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;
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; CHECK-BE-LABEL: f6:
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; CHECK-BE: # %bb.0: # %entry
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; CHECK-BE-NEXT: mr r12, r1
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; CHECK-BE-NEXT: stdu r12, -64(r1)
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; CHECK-BE-NEXT: lis r0, 4
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; CHECK-BE-NEXT: nop
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; CHECK-BE-NEXT: mtctr r0
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; CHECK-BE-NEXT: .LBB6_1: # %entry
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; CHECK-BE-NEXT: #
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; CHECK-BE-NEXT: stdu r12, -4096(r1)
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; CHECK-BE-NEXT: bdnz .LBB6_1
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; CHECK-BE-NEXT: # %bb.2: # %entry
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; CHECK-BE-NEXT: li r3, 3
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; CHECK-BE-NEXT: stb r3, 64(r1)
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||||
; CHECK-BE-NEXT: lbz r3, 64(r1)
|
||||
; CHECK-BE-NEXT: ld r1, 0(r1)
|
||||
; CHECK-BE-NEXT: blr
|
||||
;
|
||||
; CHECK-32-LABEL: f6:
|
||||
; CHECK-32: # %bb.0: # %entry
|
||||
; CHECK-32-NEXT: mr r12, r1
|
||||
; CHECK-32-NEXT: stwu r12, -16(r1)
|
||||
; CHECK-32-NEXT: lis r0, 4
|
||||
; CHECK-32-NEXT: nop
|
||||
; CHECK-32-NEXT: mtctr r0
|
||||
; CHECK-32-NEXT: .LBB6_1: # %entry
|
||||
; CHECK-32-NEXT: #
|
||||
; CHECK-32-NEXT: stwu r12, -4096(r1)
|
||||
; CHECK-32-NEXT: bdnz .LBB6_1
|
||||
; CHECK-32-NEXT: # %bb.2: # %entry
|
||||
; CHECK-32-NEXT: sub r0, r1, r12
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: stb r3, 16(r1)
|
||||
; CHECK-32-NEXT: mr r0, r31
|
||||
; CHECK-32-NEXT: lbz r3, 16(r1)
|
||||
; CHECK-32-NEXT: lwz r31, 0(r1)
|
||||
; CHECK-32-NEXT: mr r1, r31
|
||||
; CHECK-32-NEXT: mr r31, r0
|
||||
; CHECK-32-NEXT: blr
|
||||
entry:
|
||||
%a = alloca i8, i64 1073741824
|
||||
%b = getelementptr inbounds i8, i8* %a, i64 63
|
||||
store volatile i8 3, i8* %a
|
||||
%c = load volatile i8, i8* %a
|
||||
ret i8 %c
|
||||
}
|
||||
|
||||
define i8 @f7() #0 "stack-probe-size"="65536" nounwind {
|
||||
; CHECK-LE-LABEL: f7:
|
||||
; CHECK-LE: # %bb.0: # %entry
|
||||
; CHECK-LE-NEXT: lis r0, -1
|
||||
; CHECK-LE-NEXT: mr r12, r1
|
||||
; CHECK-LE-NEXT: ori r0, r0, 13776
|
||||
; CHECK-LE-NEXT: stdux r12, r1, r0
|
||||
; CHECK-LE-NEXT: li r0, 15258
|
||||
; CHECK-LE-NEXT: mtctr r0
|
||||
; CHECK-LE-NEXT: lis r0, -1
|
||||
; CHECK-LE-NEXT: nop
|
||||
; CHECK-LE-NEXT: .LBB7_1: # %entry
|
||||
; CHECK-LE-NEXT: #
|
||||
; CHECK-LE-NEXT: stdux r12, r1, r0
|
||||
; CHECK-LE-NEXT: bdnz .LBB7_1
|
||||
; CHECK-LE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-LE-NEXT: li r3, 3
|
||||
; CHECK-LE-NEXT: stb r3, 41(r1)
|
||||
; CHECK-LE-NEXT: lbz r3, 41(r1)
|
||||
; CHECK-LE-NEXT: ld r1, 0(r1)
|
||||
; CHECK-LE-NEXT: blr
|
||||
;
|
||||
; CHECK-BE-LABEL: f7:
|
||||
; CHECK-BE: # %bb.0: # %entry
|
||||
; CHECK-BE-NEXT: lis r0, -1
|
||||
; CHECK-BE-NEXT: mr r12, r1
|
||||
; CHECK-BE-NEXT: ori r0, r0, 13760
|
||||
; CHECK-BE-NEXT: stdux r12, r1, r0
|
||||
; CHECK-BE-NEXT: li r0, 15258
|
||||
; CHECK-BE-NEXT: mtctr r0
|
||||
; CHECK-BE-NEXT: lis r0, -1
|
||||
; CHECK-BE-NEXT: nop
|
||||
; CHECK-BE-NEXT: .LBB7_1: # %entry
|
||||
; CHECK-BE-NEXT: #
|
||||
; CHECK-BE-NEXT: stdux r12, r1, r0
|
||||
; CHECK-BE-NEXT: bdnz .LBB7_1
|
||||
; CHECK-BE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-BE-NEXT: li r3, 3
|
||||
; CHECK-BE-NEXT: stb r3, 57(r1)
|
||||
; CHECK-BE-NEXT: lbz r3, 57(r1)
|
||||
; CHECK-BE-NEXT: ld r1, 0(r1)
|
||||
; CHECK-BE-NEXT: blr
|
||||
;
|
||||
; CHECK-32-LABEL: f7:
|
||||
; CHECK-32: # %bb.0: # %entry
|
||||
; CHECK-32-NEXT: lis r0, -1
|
||||
; CHECK-32-NEXT: mr r12, r1
|
||||
; CHECK-32-NEXT: ori r0, r0, 13808
|
||||
; CHECK-32-NEXT: stwux r12, r1, r0
|
||||
; CHECK-32-NEXT: li r0, 15258
|
||||
; CHECK-32-NEXT: mtctr r0
|
||||
; CHECK-32-NEXT: lis r0, -1
|
||||
; CHECK-32-NEXT: nop
|
||||
; CHECK-32-NEXT: .LBB7_1: # %entry
|
||||
; CHECK-32-NEXT: #
|
||||
; CHECK-32-NEXT: stwux r12, r1, r0
|
||||
; CHECK-32-NEXT: bdnz .LBB7_1
|
||||
; CHECK-32-NEXT: # %bb.2: # %entry
|
||||
; CHECK-32-NEXT: sub r0, r1, r12
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: stb r3, 9(r1)
|
||||
; CHECK-32-NEXT: mr r0, r31
|
||||
; CHECK-32-NEXT: lbz r3, 9(r1)
|
||||
; CHECK-32-NEXT: lwz r31, 0(r1)
|
||||
; CHECK-32-NEXT: mr r1, r31
|
||||
; CHECK-32-NEXT: mr r31, r0
|
||||
; CHECK-32-NEXT: blr
|
||||
entry:
|
||||
%a = alloca i8, i64 1000000007
|
||||
%b = getelementptr inbounds i8, i8* %a, i64 101
|
||||
store volatile i8 3, i8* %a
|
||||
%c = load volatile i8, i8* %a
|
||||
ret i8 %c
|
||||
}
|
||||
|
||||
attributes #0 = { "probe-stack"="inline-asm" }
|
||||
@ -41,7 +41,7 @@ entry:
|
||||
ret i8 %c
|
||||
}
|
||||
|
||||
define i8 @f1() #0 "stack-probe-size"="0" nounwind {
|
||||
define i8 @f1() #0 "stack-probe-size"="0" {
|
||||
; CHECK-LE-LABEL: f1:
|
||||
; CHECK-LE: # %bb.0: # %entry
|
||||
; CHECK-LE-NEXT: mr r12, r1
|
||||
@ -52,6 +52,7 @@ define i8 @f1() #0 "stack-probe-size"="0" nounwind {
|
||||
; CHECK-LE-NEXT: stdu r12, -16(r1)
|
||||
; CHECK-LE-NEXT: bdnz .LBB1_1
|
||||
; CHECK-LE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-LE-NEXT: .cfi_def_cfa_offset 4144
|
||||
; CHECK-LE-NEXT: li r3, 3
|
||||
; CHECK-LE-NEXT: stb r3, 48(r1)
|
||||
; CHECK-LE-NEXT: lbz r3, 48(r1)
|
||||
@ -68,6 +69,7 @@ define i8 @f1() #0 "stack-probe-size"="0" nounwind {
|
||||
; CHECK-BE-NEXT: stdu r12, -16(r1)
|
||||
; CHECK-BE-NEXT: bdnz .LBB1_1
|
||||
; CHECK-BE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-BE-NEXT: .cfi_def_cfa_offset 4160
|
||||
; CHECK-BE-NEXT: li r3, 3
|
||||
; CHECK-BE-NEXT: stb r3, 64(r1)
|
||||
; CHECK-BE-NEXT: lbz r3, 64(r1)
|
||||
@ -84,10 +86,11 @@ define i8 @f1() #0 "stack-probe-size"="0" nounwind {
|
||||
; CHECK-32-NEXT: stwu r12, -16(r1)
|
||||
; CHECK-32-NEXT: bdnz .LBB1_1
|
||||
; CHECK-32-NEXT: # %bb.2: # %entry
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r12
|
||||
; CHECK-32-NEXT: stb r3, 16(r1)
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: .cfi_def_cfa_offset 4112
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: stb r3, 16(r1)
|
||||
; CHECK-32-NEXT: lbz r3, 16(r1)
|
||||
; CHECK-32-NEXT: addi r1, r1, 4112
|
||||
; CHECK-32-NEXT: blr
|
||||
@ -99,7 +102,7 @@ entry:
|
||||
ret i8 %c
|
||||
}
|
||||
|
||||
define i8 @f2() #0 nounwind {
|
||||
define i8 @f2() #0 {
|
||||
; CHECK-LE-LABEL: f2:
|
||||
; CHECK-LE: # %bb.0: # %entry
|
||||
; CHECK-LE-NEXT: mr r12, r1
|
||||
@ -111,6 +114,7 @@ define i8 @f2() #0 nounwind {
|
||||
; CHECK-LE-NEXT: stdu r12, -4096(r1)
|
||||
; CHECK-LE-NEXT: bdnz .LBB2_1
|
||||
; CHECK-LE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-LE-NEXT: .cfi_def_cfa_offset 65584
|
||||
; CHECK-LE-NEXT: li r3, 3
|
||||
; CHECK-LE-NEXT: stb r3, 48(r1)
|
||||
; CHECK-LE-NEXT: lbz r3, 48(r1)
|
||||
@ -128,6 +132,7 @@ define i8 @f2() #0 nounwind {
|
||||
; CHECK-BE-NEXT: stdu r12, -4096(r1)
|
||||
; CHECK-BE-NEXT: bdnz .LBB2_1
|
||||
; CHECK-BE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-BE-NEXT: .cfi_def_cfa_offset 65600
|
||||
; CHECK-BE-NEXT: li r3, 3
|
||||
; CHECK-BE-NEXT: stb r3, 64(r1)
|
||||
; CHECK-BE-NEXT: lbz r3, 64(r1)
|
||||
@ -146,8 +151,9 @@ define i8 @f2() #0 nounwind {
|
||||
; CHECK-32-NEXT: bdnz .LBB2_1
|
||||
; CHECK-32-NEXT: # %bb.2: # %entry
|
||||
; CHECK-32-NEXT: sub r0, r1, r12
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: .cfi_def_cfa_offset 65552
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: stb r3, 16(r1)
|
||||
; CHECK-32-NEXT: mr r0, r31
|
||||
; CHECK-32-NEXT: lbz r3, 16(r1)
|
||||
@ -163,13 +169,14 @@ entry:
|
||||
ret i8 %c
|
||||
}
|
||||
|
||||
define i8 @f3() #0 "stack-probe-size"="32768" nounwind {
|
||||
define i8 @f3() #0 "stack-probe-size"="32768" {
|
||||
; CHECK-LE-LABEL: f3:
|
||||
; CHECK-LE: # %bb.0: # %entry
|
||||
; CHECK-LE-NEXT: mr r12, r1
|
||||
; CHECK-LE-NEXT: stdu r12, -48(r1)
|
||||
; CHECK-LE-NEXT: stdu r12, -32768(r1)
|
||||
; CHECK-LE-NEXT: stdu r12, -32768(r1)
|
||||
; CHECK-LE-NEXT: .cfi_def_cfa_offset 65584
|
||||
; CHECK-LE-NEXT: li r3, 3
|
||||
; CHECK-LE-NEXT: stb r3, 48(r1)
|
||||
; CHECK-LE-NEXT: lbz r3, 48(r1)
|
||||
@ -182,6 +189,7 @@ define i8 @f3() #0 "stack-probe-size"="32768" nounwind {
|
||||
; CHECK-BE-NEXT: stdu r12, -64(r1)
|
||||
; CHECK-BE-NEXT: stdu r12, -32768(r1)
|
||||
; CHECK-BE-NEXT: stdu r12, -32768(r1)
|
||||
; CHECK-BE-NEXT: .cfi_def_cfa_offset 65600
|
||||
; CHECK-BE-NEXT: li r3, 3
|
||||
; CHECK-BE-NEXT: stb r3, 64(r1)
|
||||
; CHECK-BE-NEXT: lbz r3, 64(r1)
|
||||
@ -195,8 +203,9 @@ define i8 @f3() #0 "stack-probe-size"="32768" nounwind {
|
||||
; CHECK-32-NEXT: stwu r12, -32768(r1)
|
||||
; CHECK-32-NEXT: stwu r12, -32768(r1)
|
||||
; CHECK-32-NEXT: sub r0, r1, r12
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: .cfi_def_cfa_offset 65552
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: stb r3, 16(r1)
|
||||
; CHECK-32-NEXT: mr r0, r31
|
||||
; CHECK-32-NEXT: lbz r3, 16(r1)
|
||||
@ -213,12 +222,13 @@ entry:
|
||||
}
|
||||
|
||||
; Same as f2, but without protection.
|
||||
define i8 @f4() nounwind {
|
||||
define i8 @f4() {
|
||||
; CHECK-LE-LABEL: f4:
|
||||
; CHECK-LE: # %bb.0: # %entry
|
||||
; CHECK-LE-NEXT: lis r0, -2
|
||||
; CHECK-LE-NEXT: ori r0, r0, 65488
|
||||
; CHECK-LE-NEXT: stdux r1, r1, r0
|
||||
; CHECK-LE-NEXT: .cfi_def_cfa_offset 65584
|
||||
; CHECK-LE-NEXT: li r3, 3
|
||||
; CHECK-LE-NEXT: stb r3, 48(r1)
|
||||
; CHECK-LE-NEXT: lbz r3, 48(r1)
|
||||
@ -230,6 +240,7 @@ define i8 @f4() nounwind {
|
||||
; CHECK-BE-NEXT: lis r0, -2
|
||||
; CHECK-BE-NEXT: ori r0, r0, 65472
|
||||
; CHECK-BE-NEXT: stdux r1, r1, r0
|
||||
; CHECK-BE-NEXT: .cfi_def_cfa_offset 65600
|
||||
; CHECK-BE-NEXT: li r3, 3
|
||||
; CHECK-BE-NEXT: stb r3, 64(r1)
|
||||
; CHECK-BE-NEXT: lbz r3, 64(r1)
|
||||
@ -241,8 +252,9 @@ define i8 @f4() nounwind {
|
||||
; CHECK-32-NEXT: lis r0, -2
|
||||
; CHECK-32-NEXT: ori r0, r0, 65520
|
||||
; CHECK-32-NEXT: stwux r1, r1, r0
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: .cfi_def_cfa_offset 65552
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: stb r3, 16(r1)
|
||||
; CHECK-32-NEXT: mr r0, r31
|
||||
; CHECK-32-NEXT: lbz r3, 16(r1)
|
||||
@ -258,7 +270,7 @@ entry:
|
||||
ret i8 %c
|
||||
}
|
||||
|
||||
define i8 @f5() #0 "stack-probe-size"="65536" nounwind {
|
||||
define i8 @f5() #0 "stack-probe-size"="65536" {
|
||||
; CHECK-LE-LABEL: f5:
|
||||
; CHECK-LE: # %bb.0: # %entry
|
||||
; CHECK-LE-NEXT: mr r12, r1
|
||||
@ -272,6 +284,7 @@ define i8 @f5() #0 "stack-probe-size"="65536" nounwind {
|
||||
; CHECK-LE-NEXT: stdux r12, r1, r0
|
||||
; CHECK-LE-NEXT: bdnz .LBB5_1
|
||||
; CHECK-LE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-LE-NEXT: .cfi_def_cfa_offset 1048624
|
||||
; CHECK-LE-NEXT: li r3, 3
|
||||
; CHECK-LE-NEXT: stb r3, 48(r1)
|
||||
; CHECK-LE-NEXT: lbz r3, 48(r1)
|
||||
@ -291,6 +304,7 @@ define i8 @f5() #0 "stack-probe-size"="65536" nounwind {
|
||||
; CHECK-BE-NEXT: stdux r12, r1, r0
|
||||
; CHECK-BE-NEXT: bdnz .LBB5_1
|
||||
; CHECK-BE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-BE-NEXT: .cfi_def_cfa_offset 1048640
|
||||
; CHECK-BE-NEXT: li r3, 3
|
||||
; CHECK-BE-NEXT: stb r3, 64(r1)
|
||||
; CHECK-BE-NEXT: lbz r3, 64(r1)
|
||||
@ -311,8 +325,9 @@ define i8 @f5() #0 "stack-probe-size"="65536" nounwind {
|
||||
; CHECK-32-NEXT: bdnz .LBB5_1
|
||||
; CHECK-32-NEXT: # %bb.2: # %entry
|
||||
; CHECK-32-NEXT: sub r0, r1, r12
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: .cfi_def_cfa_offset 1048592
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: stb r3, 16(r1)
|
||||
; CHECK-32-NEXT: mr r0, r31
|
||||
; CHECK-32-NEXT: lbz r3, 16(r1)
|
||||
@ -328,7 +343,7 @@ entry:
|
||||
ret i8 %c
|
||||
}
|
||||
|
||||
define i8 @f6() #0 nounwind {
|
||||
define i8 @f6() #0 {
|
||||
; CHECK-LE-LABEL: f6:
|
||||
; CHECK-LE: # %bb.0: # %entry
|
||||
; CHECK-LE-NEXT: mr r12, r1
|
||||
@ -341,6 +356,7 @@ define i8 @f6() #0 nounwind {
|
||||
; CHECK-LE-NEXT: stdu r12, -4096(r1)
|
||||
; CHECK-LE-NEXT: bdnz .LBB6_1
|
||||
; CHECK-LE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-LE-NEXT: .cfi_def_cfa_offset 1073741872
|
||||
; CHECK-LE-NEXT: li r3, 3
|
||||
; CHECK-LE-NEXT: stb r3, 48(r1)
|
||||
; CHECK-LE-NEXT: lbz r3, 48(r1)
|
||||
@ -359,6 +375,7 @@ define i8 @f6() #0 nounwind {
|
||||
; CHECK-BE-NEXT: stdu r12, -4096(r1)
|
||||
; CHECK-BE-NEXT: bdnz .LBB6_1
|
||||
; CHECK-BE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-BE-NEXT: .cfi_def_cfa_offset 1073741888
|
||||
; CHECK-BE-NEXT: li r3, 3
|
||||
; CHECK-BE-NEXT: stb r3, 64(r1)
|
||||
; CHECK-BE-NEXT: lbz r3, 64(r1)
|
||||
@ -378,8 +395,9 @@ define i8 @f6() #0 nounwind {
|
||||
; CHECK-32-NEXT: bdnz .LBB6_1
|
||||
; CHECK-32-NEXT: # %bb.2: # %entry
|
||||
; CHECK-32-NEXT: sub r0, r1, r12
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: .cfi_def_cfa_offset 1073741840
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: stb r3, 16(r1)
|
||||
; CHECK-32-NEXT: mr r0, r31
|
||||
; CHECK-32-NEXT: lbz r3, 16(r1)
|
||||
@ -395,7 +413,7 @@ entry:
|
||||
ret i8 %c
|
||||
}
|
||||
|
||||
define i8 @f7() #0 "stack-probe-size"="65536" nounwind {
|
||||
define i8 @f7() #0 "stack-probe-size"="65536" {
|
||||
; CHECK-LE-LABEL: f7:
|
||||
; CHECK-LE: # %bb.0: # %entry
|
||||
; CHECK-LE-NEXT: lis r0, -1
|
||||
@ -411,6 +429,7 @@ define i8 @f7() #0 "stack-probe-size"="65536" nounwind {
|
||||
; CHECK-LE-NEXT: stdux r12, r1, r0
|
||||
; CHECK-LE-NEXT: bdnz .LBB7_1
|
||||
; CHECK-LE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-LE-NEXT: .cfi_def_cfa_offset 1000000048
|
||||
; CHECK-LE-NEXT: li r3, 3
|
||||
; CHECK-LE-NEXT: stb r3, 41(r1)
|
||||
; CHECK-LE-NEXT: lbz r3, 41(r1)
|
||||
@ -432,6 +451,7 @@ define i8 @f7() #0 "stack-probe-size"="65536" nounwind {
|
||||
; CHECK-BE-NEXT: stdux r12, r1, r0
|
||||
; CHECK-BE-NEXT: bdnz .LBB7_1
|
||||
; CHECK-BE-NEXT: # %bb.2: # %entry
|
||||
; CHECK-BE-NEXT: .cfi_def_cfa_offset 1000000064
|
||||
; CHECK-BE-NEXT: li r3, 3
|
||||
; CHECK-BE-NEXT: stb r3, 57(r1)
|
||||
; CHECK-BE-NEXT: lbz r3, 57(r1)
|
||||
@ -454,8 +474,9 @@ define i8 @f7() #0 "stack-probe-size"="65536" nounwind {
|
||||
; CHECK-32-NEXT: bdnz .LBB7_1
|
||||
; CHECK-32-NEXT: # %bb.2: # %entry
|
||||
; CHECK-32-NEXT: sub r0, r1, r12
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: sub r0, r1, r0
|
||||
; CHECK-32-NEXT: .cfi_def_cfa_offset 1000000016
|
||||
; CHECK-32-NEXT: li r3, 3
|
||||
; CHECK-32-NEXT: stb r3, 9(r1)
|
||||
; CHECK-32-NEXT: mr r0, r31
|
||||
; CHECK-32-NEXT: lbz r3, 9(r1)
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user