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author | Evan Cheng <evan.cheng@apple.com> | 2007-10-29 22:07:18 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2007-10-29 22:07:18 +0000 |
commit | af62c09437675369afcc481e88ed9cd5806491fe (patch) | |
tree | 90dee506142a8162091e2ae9c66ba537ecd86d3c /test/CodeGen/X86/loop-strength-reduce6.ll | |
parent | e476a667619919d65193ac2dbbf649fd4af1021a (diff) | |
download | external_llvm-af62c09437675369afcc481e88ed9cd5806491fe.zip external_llvm-af62c09437675369afcc481e88ed9cd5806491fe.tar.gz external_llvm-af62c09437675369afcc481e88ed9cd5806491fe.tar.bz2 |
- Bug fixes.
- Allow icmp rewrite using an iv / stride of a smaller integer type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43480 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/loop-strength-reduce6.ll')
-rw-r--r-- | test/CodeGen/X86/loop-strength-reduce6.ll | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/test/CodeGen/X86/loop-strength-reduce6.ll b/test/CodeGen/X86/loop-strength-reduce6.ll new file mode 100644 index 0000000..fa8b57a --- /dev/null +++ b/test/CodeGen/X86/loop-strength-reduce6.ll @@ -0,0 +1,66 @@ +; RUN: llvm-as < %s | llc -march=x86-64 | not grep inc + +define fastcc i32 @decodeMP3(i32 %isize, i32* %done) { +entry: + br i1 false, label %cond_next191, label %cond_true189 + +cond_true189: ; preds = %entry + ret i32 0 + +cond_next191: ; preds = %entry + br i1 false, label %cond_next37.i, label %cond_false.i9 + +cond_false.i9: ; preds = %cond_next191 + ret i32 0 + +cond_next37.i: ; preds = %cond_next191 + br i1 false, label %cond_false50.i, label %cond_true44.i + +cond_true44.i: ; preds = %cond_next37.i + br i1 false, label %cond_true11.i.i, label %bb414.preheader.i + +cond_true11.i.i: ; preds = %cond_true44.i + ret i32 0 + +cond_false50.i: ; preds = %cond_next37.i + ret i32 0 + +bb414.preheader.i: ; preds = %cond_true44.i + br i1 false, label %bb.i18, label %do_layer3.exit + +bb.i18: ; preds = %bb414.preheader.i + br i1 false, label %bb358.i, label %cond_true79.i + +cond_true79.i: ; preds = %bb.i18 + ret i32 0 + +bb331.i: ; preds = %bb358.i, %cond_true.i149.i + br i1 false, label %cond_true.i149.i, label %cond_false.i151.i + +cond_true.i149.i: ; preds = %bb331.i + br i1 false, label %bb178.preheader.i.i, label %bb331.i + +cond_false.i151.i: ; preds = %bb331.i + ret i32 0 + +bb163.i.i: ; preds = %bb178.preheader.i.i, %bb163.i.i + %rawout2.451.rec.i.i = phi i64 [ 0, %bb178.preheader.i.i ], [ %indvar.next260.i, %bb163.i.i ] ; <i64> [#uses=2] + %i.052.i.i = trunc i64 %rawout2.451.rec.i.i to i32 ; <i32> [#uses=1] + %tmp165.i144.i = shl i32 %i.052.i.i, 5 ; <i32> [#uses=1] + %tmp165169.i.i = sext i32 %tmp165.i144.i to i64 ; <i64> [#uses=0] + %indvar.next260.i = add i64 %rawout2.451.rec.i.i, 1 ; <i64> [#uses=2] + %exitcond261.i = icmp eq i64 %indvar.next260.i, 18 ; <i1> [#uses=1] + br i1 %exitcond261.i, label %bb178.preheader.i.i, label %bb163.i.i + +bb178.preheader.i.i: ; preds = %bb163.i.i, %cond_true.i149.i + br label %bb163.i.i + +bb358.i: ; preds = %bb.i18 + br i1 false, label %bb331.i, label %bb406.i + +bb406.i: ; preds = %bb358.i + ret i32 0 + +do_layer3.exit: ; preds = %bb414.preheader.i + ret i32 0 +} |