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llvm-mirror/test/CodeGen/PowerPC/popcnt.ll
Matthias Braun b3a8585bc1 PowerPC: Do not use llc -march in tests.
`llc -march` is problematic because it only switches the target
architecture, but leaves the operating system unchanged. This
occasionally leads to indeterministic tests because the OS from
LLVM_DEFAULT_TARGET_TRIPLE is used.

However we can simply always use `llc -mtriple` instead. This changes
all the tests to do this to avoid people using -march when they copy and
paste parts of tests.

This patch:
- Removes -march if the .ll file already has a matching `target triple`
  directive or -mtriple argument.
- In all other cases changes -march=ppc32/-march=ppc64 to
  -mtriple=ppc32--/-mtriple=ppc64--

See also the discussion in https://reviews.llvm.org/D35287

llvm-svn: 309754
2017-08-01 22:20:41 +00:00

57 lines
1.5 KiB
LLVM

; RUN: llc -verify-machineinstrs -mtriple=ppc64-- -mattr=+popcntd < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mtriple=ppc64-- -mattr=+slow-popcntd < %s | FileCheck %s --check-prefix=SLOWPC
; RUN: llc -verify-machineinstrs -mtriple=ppc64-- -mcpu=pwr7 < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mtriple=ppc64-- -mcpu=a2q < %s | FileCheck %s --check-prefix=SLOWPC
; RUN: llc -verify-machineinstrs -mtriple=ppc64-- -mcpu=a2q -mattr=+popcntd < %s | FileCheck %s
define i8 @cnt8(i8 %x) nounwind readnone {
%cnt = tail call i8 @llvm.ctpop.i8(i8 %x)
ret i8 %cnt
; CHECK-LABEL: @cnt8
; CHECK: rlwinm
; CHECK: popcntw
; CHECK: blr
; SLOWPC-LABEL: @cnt8
; SLOWPC-NOT: popcnt
}
define i16 @cnt16(i16 %x) nounwind readnone {
%cnt = tail call i16 @llvm.ctpop.i16(i16 %x)
ret i16 %cnt
; CHECK-LABEL: @cnt16
; CHECK: rlwinm
; CHECK: popcntw
; CHECK: blr
; SLOWPC-LABEL: @cnt16
; SLOWPC-NOT: popcnt
}
define i32 @cnt32(i32 %x) nounwind readnone {
%cnt = tail call i32 @llvm.ctpop.i32(i32 %x)
ret i32 %cnt
; CHECK-LABEL: @cnt32
; CHECK: popcntw
; CHECK: blr
; SLOWPC-LABEL: @cnt32
; SLOWPC-NOT: popcnt
}
define i64 @cnt64(i64 %x) nounwind readnone {
%cnt = tail call i64 @llvm.ctpop.i64(i64 %x)
ret i64 %cnt
; CHECK-LABEL: @cnt64
; CHECK: popcntd
; CHECK: blr
; SLOWPC-LABEL: @cnt64
; SLOWPC-NOT: popcnt
}
declare i8 @llvm.ctpop.i8(i8) nounwind readnone
declare i16 @llvm.ctpop.i16(i16) nounwind readnone
declare i32 @llvm.ctpop.i32(i32) nounwind readnone
declare i64 @llvm.ctpop.i64(i64) nounwind readnone