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llvm-mirror/test/CodeGen/AArch64/fast-isel-tbz.ll
Diana Picus 5efe040582 [AArch64] Register passes so they can be run by llc
Initialize all AArch64-specific passes in the TargetMachine so they can be run
by llc. This can lead to conflicts in opt with some command line options that
share the same name as the pass, so I took this opportunity to do some cleanups:
* rename all relevant command line options from "aarch64-blah" to
  "aarch64-enable-blah" and update the tests accordingly
* run clang-format on their declarations
* move all these declarations to a common place (the TargetMachine) as opposed
  to having them scattered around (AArch64BranchRelaxation and
  AArch64AddressTypePromotion were the only offenders)

llvm-svn: 277322
2016-08-01 05:56:57 +00:00

296 lines
6.0 KiB
LLVM

; RUN: llc -disable-peephole -aarch64-enable-atomic-cfg-tidy=0 -verify-machineinstrs -mtriple=aarch64-apple-darwin < %s | FileCheck %s
; RUN: llc -disable-peephole -fast-isel -fast-isel-abort=1 -aarch64-enable-atomic-cfg-tidy=0 -verify-machineinstrs -mtriple=aarch64-apple-darwin < %s | FileCheck --check-prefix=CHECK --check-prefix=FAST %s
define i32 @icmp_eq_i8(i8 zeroext %a) {
; CHECK-LABEL: icmp_eq_i8
; CHECK: tbz {{w[0-9]+}}, #0, {{LBB.+_2}}
%1 = and i8 %a, 1
%2 = icmp eq i8 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_eq_i16(i16 zeroext %a) {
; CHECK-LABEL: icmp_eq_i16
; CHECK: tbz w0, #1, {{LBB.+_2}}
%1 = and i16 %a, 2
%2 = icmp eq i16 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_eq_i32(i32 %a) {
; CHECK-LABEL: icmp_eq_i32
; CHECK: tbz w0, #2, {{LBB.+_2}}
%1 = and i32 %a, 4
%2 = icmp eq i32 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_eq_i64_1(i64 %a) {
; CHECK-LABEL: icmp_eq_i64_1
; CHECK: tbz w0, #3, {{LBB.+_2}}
%1 = and i64 %a, 8
%2 = icmp eq i64 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_eq_i64_2(i64 %a) {
; CHECK-LABEL: icmp_eq_i64_2
; CHECK: tbz x0, #32, {{LBB.+_2}}
%1 = and i64 %a, 4294967296
%2 = icmp eq i64 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_ne_i8(i8 zeroext %a) {
; CHECK-LABEL: icmp_ne_i8
; CHECK: tbnz w0, #0, {{LBB.+_2}}
%1 = and i8 %a, 1
%2 = icmp ne i8 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_ne_i16(i16 zeroext %a) {
; CHECK-LABEL: icmp_ne_i16
; CHECK: tbnz w0, #1, {{LBB.+_2}}
%1 = and i16 %a, 2
%2 = icmp ne i16 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_ne_i32(i32 %a) {
; CHECK-LABEL: icmp_ne_i32
; CHECK: tbnz w0, #2, {{LBB.+_2}}
%1 = and i32 %a, 4
%2 = icmp ne i32 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_ne_i64_1(i64 %a) {
; CHECK-LABEL: icmp_ne_i64_1
; CHECK: tbnz w0, #3, {{LBB.+_2}}
%1 = and i64 %a, 8
%2 = icmp ne i64 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_ne_i64_2(i64 %a) {
; CHECK-LABEL: icmp_ne_i64_2
; CHECK: tbnz x0, #32, {{LBB.+_2}}
%1 = and i64 %a, 4294967296
%2 = icmp ne i64 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_slt_i8(i8 zeroext %a) {
; FAST-LABEL: icmp_slt_i8
; FAST: tbnz w0, #7, {{LBB.+_2}}
%1 = icmp slt i8 %a, 0
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_slt_i16(i16 zeroext %a) {
; FAST-LABEL: icmp_slt_i16
; FAST: tbnz w0, #15, {{LBB.+_2}}
%1 = icmp slt i16 %a, 0
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_slt_i32(i32 %a) {
; CHECK-LABEL: icmp_slt_i32
; CHECK: tbnz w0, #31, {{LBB.+_2}}
%1 = icmp slt i32 %a, 0
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_slt_i64(i64 %a) {
; CHECK-LABEL: icmp_slt_i64
; CHECK: tbnz x0, #63, {{LBB.+_2}}
%1 = icmp slt i64 %a, 0
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sge_i8(i8 zeroext %a) {
; FAST-LABEL: icmp_sge_i8
; FAST: tbz w0, #7, {{LBB.+_2}}
%1 = icmp sge i8 %a, 0
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sge_i16(i16 zeroext %a) {
; FAST-LABEL: icmp_sge_i16
; FAST: tbz w0, #15, {{LBB.+_2}}
%1 = icmp sge i16 %a, 0
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sle_i8(i8 zeroext %a) {
; FAST-LABEL: icmp_sle_i8
; FAST: tbnz w0, #7, {{LBB.+_2}}
%1 = icmp sle i8 %a, -1
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sle_i16(i16 zeroext %a) {
; FAST-LABEL: icmp_sle_i16
; FAST: tbnz w0, #15, {{LBB.+_2}}
%1 = icmp sle i16 %a, -1
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sle_i32(i32 %a) {
; CHECK-LABEL: icmp_sle_i32
; CHECK: tbnz w0, #31, {{LBB.+_2}}
%1 = icmp sle i32 %a, -1
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sle_i64(i64 %a) {
; CHECK-LABEL: icmp_sle_i64
; CHECK: tbnz x0, #63, {{LBB.+_2}}
%1 = icmp sle i64 %a, -1
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sgt_i8(i8 zeroext %a) {
; FAST-LABEL: icmp_sgt_i8
; FAST: tbz w0, #7, {{LBB.+_2}}
%1 = icmp sgt i8 %a, -1
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sgt_i16(i16 zeroext %a) {
; FAST-LABEL: icmp_sgt_i16
; FAST: tbz w0, #15, {{LBB.+_2}}
%1 = icmp sgt i16 %a, -1
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sgt_i32(i32 %a) {
; CHECK-LABEL: icmp_sgt_i32
; CHECK: tbz w0, #31, {{LBB.+_2}}
%1 = icmp sgt i32 %a, -1
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
define i32 @icmp_sgt_i64(i64 %a) {
; FAST-LABEL: icmp_sgt_i64
; FAST: tbz x0, #63, {{LBB.+_2}}
%1 = icmp sgt i64 %a, -1
br i1 %1, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
; Test that we don't fold the 'and' instruction into the compare.
define i32 @icmp_eq_and_i32(i32 %a, i1 %c) {
; CHECK-LABEL: icmp_eq_and_i32
; CHECK: and [[REG:w[0-9]+]], w0, #0x4
; CHECK-NEXT: cbz [[REG]], {{LBB.+_3}}
%1 = and i32 %a, 4
br i1 %c, label %bb0, label %bb2
bb0:
%2 = icmp eq i32 %1, 0
br i1 %2, label %bb1, label %bb2, !prof !0
bb1:
ret i32 1
bb2:
ret i32 0
}
!0 = !{!"branch_weights", i32 0, i32 2147483647}
!1 = !{!"branch_weights", i32 2147483647, i32 0}