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llvm-mirror/test/CodeGen/X86/2006-10-10-FindModifiedNodeSlotBug.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

29 lines
1.1 KiB
LLVM

; RUN: llc < %s -mtriple=i686-- | grep shrl
; Bug in FindModifiedNodeSlot cause tmp14 load to become a zextload and shr 31
; is then optimized away.
@tree_code_type = external global [0 x i32] ; <[0 x i32]*> [#uses=1]
define void @copy_if_shared_r() {
%tmp = load i32, i32* null ; <i32> [#uses=1]
%tmp56 = and i32 %tmp, 255 ; <i32> [#uses=1]
%gep.upgrd.1 = zext i32 %tmp56 to i64 ; <i64> [#uses=1]
%tmp8 = getelementptr [0 x i32], [0 x i32]* @tree_code_type, i32 0, i64 %gep.upgrd.1 ; <i32*> [#uses=1]
%tmp9 = load i32, i32* %tmp8 ; <i32> [#uses=1]
%tmp10 = add i32 %tmp9, -1 ; <i32> [#uses=1]
%tmp.upgrd.2 = icmp ugt i32 %tmp10, 2 ; <i1> [#uses=1]
%tmp14 = load i32, i32* null ; <i32> [#uses=1]
%tmp15 = lshr i32 %tmp14, 31 ; <i32> [#uses=1]
%tmp15.upgrd.3 = trunc i32 %tmp15 to i8 ; <i8> [#uses=1]
%tmp16 = icmp ne i8 %tmp15.upgrd.3, 0 ; <i1> [#uses=1]
br i1 %tmp.upgrd.2, label %cond_false25, label %cond_true
cond_true: ; preds = %0
br i1 %tmp16, label %cond_true17, label %cond_false
cond_true17: ; preds = %cond_true
ret void
cond_false: ; preds = %cond_true
ret void
cond_false25: ; preds = %0
ret void
}