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621386835e
Without this change, names start with 'L' will get created as temporary symbol in MCContext::createSymbol. Some other potential prefix considered: .L, does not work for AIX, as a function start with L will end up with .L as prefix for its function entry point. ..L could work, but it does not play well with the convention on AIX that anything start with '.' are considered as entry point. L. could work, but not sure if it's safe enough, as it's possible to have suffixes like .something append to a plain L, giving L.something which is not necessarily a temporary. That's why we picked L.. for now. Differential Revision: https://reviews.llvm.org/D80831
154 lines
5.3 KiB
LLVM
154 lines
5.3 KiB
LLVM
; RUN: llc -mtriple powerpc64-ibm-aix-xcoff -stop-after=machine-cp -mcpu=pwr4 \
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; RUN: -mattr=-altivec -verify-machineinstrs < %s | \
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; RUN: FileCheck %s
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; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mattr=-altivec \
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; RUN: -mtriple powerpc64-ibm-aix-xcoff < %s | \
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; RUN: FileCheck --check-prefix=ASM %s
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%struct.S5 = type { [5 x i8] }
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define zeroext i8 @test_byval_5Byte(%struct.S5* byval(%struct.S5) align 1 %s) {
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entry:
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%arrayidx = getelementptr inbounds %struct.S5, %struct.S5* %s, i32 0, i32 0, i32 4
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%0 = load i8, i8* %arrayidx, align 1
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ret i8 %0
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}
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; CHECK-LABEL: name: test_byval_5Byte
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; CHECK: fixedStack:
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; CHECK-NEXT: - { id: 0, type: default, offset: 48, size: 8, alignment: 16,
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; CHECK: bb.0.entry:
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; CHECK-NEXT: liveins: $x3
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; CHECK: STD killed renamable $x3, 0, %fixed-stack.0 :: (store 8 into %fixed-stack.0, align 16)
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; CHECK-NEXT: renamable $x3 = LBZ8 4, %fixed-stack.0 :: (dereferenceable load 1
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; CHECKASM-LABEL: .test_byval_5Byte:
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; ASM: std 3, 48(1)
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; ASM-NEXT: lbz 3, 52(1)
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; ASM-NEXT: blr
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%struct.S6 = type { [6 x i8] }
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define zeroext i8 @test_byval_6Byte(%struct.S6* byval(%struct.S6) align 1 %s) {
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entry:
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%arrayidx = getelementptr inbounds %struct.S6, %struct.S6* %s, i32 0, i32 0, i32 5
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%0 = load i8, i8* %arrayidx, align 1
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ret i8 %0
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}
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; CHECK-LABEL: name: test_byval_6Byte
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; CHECK: fixedStack:
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; CHECK-NEXT: - { id: 0, type: default, offset: 48, size: 8, alignment: 16,
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; CHECK: bb.0.entry:
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; CHECK-NEXT: liveins: $x3
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; CHECK: STD killed renamable $x3, 0, %fixed-stack.0 :: (store 8 into %fixed-stack.0, align 16)
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; CHECK-NEXT: renamable $x3 = LBZ8 5, %fixed-stack.0 :: (dereferenceable load 1
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; CHECKASM-LABEL: .test_byval_6Byte:
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; ASM: std 3, 48(1)
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; ASM-NEXT: lbz 3, 53(1)
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; ASM-NEXT: blr
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%struct.S7 = type { [7 x i8] }
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define zeroext i8 @test_byval_7Byte(%struct.S7* byval(%struct.S7) align 1 %s) {
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entry:
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%arrayidx = getelementptr inbounds %struct.S7, %struct.S7* %s, i32 0, i32 0, i32 6
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%0 = load i8, i8* %arrayidx, align 1
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ret i8 %0
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}
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; CHECK-LABEL: name: test_byval_7Byte
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; CHECK: fixedStack:
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; CHECK-NEXT: - { id: 0, type: default, offset: 48, size: 8, alignment: 16,
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; CHECK: bb.0.entry:
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; CHECK-NEXT: liveins: $x3
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; CHECK: STD killed renamable $x3, 0, %fixed-stack.0 :: (store 8 into %fixed-stack.0, align 16)
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; CHECK-NEXT: renamable $x3 = LBZ8 6, %fixed-stack.0 :: (dereferenceable load 1
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; CHECKASM-LABEL: .test_byval_7Byte:
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; ASM: std 3, 48(1)
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; ASM-NEXT: lbz 3, 54(1)
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; ASM-NEXT: blr
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%struct.S8 = type { [8 x i8] }
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define zeroext i8 @test_byval_8Byte(%struct.S8* byval(%struct.S8) align 1 %s) {
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entry:
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%arrayidx = getelementptr inbounds %struct.S8, %struct.S8* %s, i32 0, i32 0, i32 7
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%0 = load i8, i8* %arrayidx, align 1
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ret i8 %0
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}
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; CHECK-LABEL: name: test_byval_8Byte
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; CHECK: fixedStack:
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; CHECK-NEXT: - { id: 0, type: default, offset: 48, size: 8, alignment: 16,
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; CHECK: bb.0.entry:
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; CHECK-NEXT: liveins: $x3
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; CHECK: renamable $x[[SCRATCH:[0-9]+]] = COPY $x3
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; CHECK-DAG: renamable $x3 = RLDICL $x3, 0, 56
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; CHECK-DAG: STD killed renamable $x[[SCRATCH]], 0, %fixed-stack.0 :: (store 8 into %fixed-stack.0, align 16)
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; CHECKASM-LABEL: .test_byval_8Byte:
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; ASM: mr [[SCRATCH:[0-9]+]], 3
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; ASM-DAG: clrldi 3, 3, 56
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; ASM-DAG: std [[SCRATCH]], 48(1)
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; ASM-NEXT: blr
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%struct.S64 = type { [64 x i8] }
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@gS64 = external global %struct.S64, align 1
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define void @call_test_byval_64Byte() {
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entry:
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call void @test_byval_64Byte(%struct.S64* byval(%struct.S64) align 1 @gS64)
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ret void
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}
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declare void @test_byval_64Byte(%struct.S64* byval(%struct.S64) align 1)
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; CHECK-LABEL: name: call_test_byval_64Byte{{.*}}
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; The DAG block permits some invalid inputs for the benefit of allowing more valid orderings.
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; CHECK: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
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; CHECK-NEXT: renamable $x[[REGADDR:[0-9]+]] = LDtoc @gS64, $x2 :: (load 8 from got)
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; CHECK-DAG: renamable $x3 = LD 0, killed renamable $x[[REGADDR]] :: (load 8)
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; CHECK-DAG: renamable $x4 = LD 8, renamable $x[[REGADDR]] :: (load 8)
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; CHECK-DAG: renamable $x5 = LD 16, renamable $x[[REGADDR]] :: (load 8)
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; CHECK-DAG: renamable $x6 = LD 24, renamable $x[[REGADDR]] :: (load 8)
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; CHECK-DAG: renamable $x7 = LD 32, renamable $x[[REGADDR]] :: (load 8)
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; CHECK-DAG: renamable $x8 = LD 40, renamable $x[[REGADDR]] :: (load 8)
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; CHECK-DAG: renamable $x9 = LD 48, renamable $x[[REGADDR]] :: (load 8)
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; CHECK-DAG: renamable $x10 = LD 56, renamable $x[[REGADDR]] :: (load 8)
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; CHECK-NEXT: BL8_NOP <mcsymbol .test_byval_64Byte>, csr_ppc64, implicit-def dead $lr8, implicit $rm, implicit $x3, implicit $x4, implicit $x5, implicit $x6, implicit $x7, implicit $x8, implicit $x9, implicit $x10, implicit $x2, implicit-def $r1
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; CHECK-NEXT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
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; CHECKASM-LABEL: .test_byval_64Byte:
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; ASM: stdu 1, -112(1)
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; ASM-NEXT: ld [[REG:[0-9]+]], L..C{{[0-9]+}}(2)
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; ASM-DAG: ld 3, 0([[REG]])
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; ASM-DAG: ld 4, 8([[REG]])
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; ASM-DAG: ld 5, 16([[REG]])
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; ASM-DAG: ld 6, 24([[REG]])
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; ASM-DAG: ld 7, 32([[REG]])
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; ASM-DAG: ld 8, 40([[REG]])
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; ASM-DAG: ld 9, 48([[REG]])
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; ASM-DAG: ld 10, 56([[REG]])
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; ASM-NEXT: bl .test_byval_64Byte
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; ASM-NEXT: nop
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