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| author | Chris Lattner <sabre@nondot.org> | 2010-04-03 06:30:03 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-04-03 06:30:03 +0000 |
| commit | 43b85273ee11536c81b14dca0114cd8b9407db8e (patch) | |
| tree | 49189124fe5025a7b5d1097ef88b05940e0e93f0 /test/Transforms/IndVarSimplify/floating-point-iv.ll | |
| parent | 203bceb11184c57978541ef613996ef7667c44c1 (diff) | |
| download | external_llvm-43b85273ee11536c81b14dca0114cd8b9407db8e.zip external_llvm-43b85273ee11536c81b14dca0114cd8b9407db8e.tar.gz external_llvm-43b85273ee11536c81b14dca0114cd8b9407db8e.tar.bz2 | |
fix PR6761, a miscompilation due to the fp->int IV conversion
stuff. More bugs remain though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100282 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/IndVarSimplify/floating-point-iv.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/floating-point-iv.ll | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/test/Transforms/IndVarSimplify/floating-point-iv.ll b/test/Transforms/IndVarSimplify/floating-point-iv.ll index 8d75846..daeeaad 100644 --- a/test/Transforms/IndVarSimplify/floating-point-iv.ll +++ b/test/Transforms/IndVarSimplify/floating-point-iv.ll @@ -41,10 +41,10 @@ entry: br label %bb bb: ; preds = %bb, %entry - %x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2] - %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0] - %1 = fadd double %x.0.reg2mem.0, 1.000000e+00 ; <double> [#uses=2] - %2 = fcmp olt double %1, -1.000000e+00 ; <i1> [#uses=1] + %x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ] + %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind + %1 = fadd double %x.0.reg2mem.0, 1.000000e+00 + %2 = fcmp olt double %1, -1.000000e+00 br i1 %2, label %bb, label %return return: ; preds = %bb @@ -70,4 +70,23 @@ return: ; preds = %bb ; CHECK: icmp } +; PR6761 +define void @test5() nounwind { +; <label>:0 + br label %1 + +; <label>:1 ; preds = %1, %0 + %2 = phi double [ 9.000000e+00, %0 ], [ %4, %1 ] ; <double> [#uses=1] + %3 = tail call i32 @foo(double 0.0) ; <i32> [#uses=0] + %4 = fadd double %2, -1.000000e+00 ; <double> [#uses=2] + %5 = fcmp ult double %4, 0.000000e+00 ; <i1> [#uses=1] + br i1 %5, label %exit, label %1 + +exit: + ret void + +; CHECK: @test5 +; CHECK: icmp eq i32 {{.*}}, 10 +; CHECK-NEXT: br i1 +} |