diff options
| author | Chris Lattner <sabre@nondot.org> | 2006-10-14 03:40:02 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-10-14 03:40:02 +0000 |
| commit | 4c1984d9e81b685ab494f181cd85bc1063c91f32 (patch) | |
| tree | f87011f91cea7eb6ac839ae0bf12cfcc96854574 /test/CodeGen/PowerPC/cmp-cmp.ll | |
| parent | 8ac9d0ebdea49dedca3387fafa4e40e911d3269f (diff) | |
testcase for recent dag combiner patch. Before the entry bb was:
_test:
stwu r1, -80(r1)
stw r1, 76(r1)
mflr r11
stw r11, 88(r1)
rlwinm r2, r4, 0, 30, 31
cmplwi cr7, r2, 2
mfcr r2
rlwinm r2, r2, 30, 31, 31
cmplwi cr0, r2, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
after it is:
_test:
stwu r1, -80(r1)
stw r1, 76(r1)
mflr r11
stw r11, 88(r1)
rlwinm r2, r4, 0, 30, 31
cmplwi cr0, r2, 2
bgt cr0, LBB1_2 ;UnifiedReturnBlock
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30954 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/cmp-cmp.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/cmp-cmp.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/cmp-cmp.ll b/test/CodeGen/PowerPC/cmp-cmp.ll new file mode 100644 index 00000000000..5a9e8e82694 --- /dev/null +++ b/test/CodeGen/PowerPC/cmp-cmp.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | llc -march=ppc32 && +; RUN: llvm-as < %s | llc -march=ppc32 | not grep mfcr + +void %test(long %X) { + %tmp1 = and long %X, 3 ; <long> [#uses=1] + %tmp = setgt long %tmp1, 2 ; <bool> [#uses=1] + br bool %tmp, label %UnifiedReturnBlock, label %cond_true + +cond_true: ; preds = %entry + tail call void %test(long 0) + ret void + +UnifiedReturnBlock: ; preds = %entry + ret void +} + |