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llvm-mirror/test/CodeGen/X86/vec_zero.ll
Matthias Braun f7935a3f63 X86: 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.

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

llvm-svn: 309774
2017-08-02 00:28:10 +00:00

31 lines
935 B
LLVM

; RUN: llc < %s -mtriple=i686-- -mattr=+sse2 | FileCheck %s
; CHECK: foo
; CHECK: xorps
define void @foo(<4 x float>* %P) {
%T = load <4 x float>, <4 x float>* %P ; <<4 x float>> [#uses=1]
%S = fadd <4 x float> zeroinitializer, %T ; <<4 x float>> [#uses=1]
store <4 x float> %S, <4 x float>* %P
ret void
}
; CHECK: bar
; CHECK: pxor
define void @bar(<4 x i32>* %P) {
%T = load <4 x i32>, <4 x i32>* %P ; <<4 x i32>> [#uses=1]
%S = sub <4 x i32> zeroinitializer, %T ; <<4 x i32>> [#uses=1]
store <4 x i32> %S, <4 x i32>* %P
ret void
}
; Without any type hints from operations, we fall back to the smaller xorps.
; The IR type <4 x i32> is ignored.
; CHECK: untyped_zero
; CHECK: xorps
; CHECK: movaps
define void @untyped_zero(<4 x i32>* %p) {
entry:
store <4 x i32> zeroinitializer, <4 x i32>* %p, align 16
ret void
}