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| author | Chris Lattner <sabre@nondot.org> | 2010-04-03 05:54:59 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-04-03 05:54:59 +0000 |
| commit | c558b49f1411168eefee7eec1501bceb9ea2c8af (patch) | |
| tree | 83823a7ee788f574611a50a5737a59e8ff298bc9 /llvm/test/Transforms/IndVarSimplify/crash.ll | |
| parent | 2e23e5284c877e1c08f197b1eef163c4fe04d9c0 (diff) | |
| download | bcm5719-llvm-c558b49f1411168eefee7eec1501bceb9ea2c8af.tar.gz bcm5719-llvm-c558b49f1411168eefee7eec1501bceb9ea2c8af.zip | |
first half of a pass through IndVarSimplify::HandleFloatingPointIV,
this cleans up a bunch of code and also fixes several crashes and
miscompiles. More to come unfortunately, this optimization
is quite broken.
llvm-svn: 100270
Diffstat (limited to 'llvm/test/Transforms/IndVarSimplify/crash.ll')
| -rw-r--r-- | llvm/test/Transforms/IndVarSimplify/crash.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/Transforms/IndVarSimplify/crash.ll b/llvm/test/Transforms/IndVarSimplify/crash.ll new file mode 100644 index 00000000000..14f79fefb18 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/crash.ll @@ -0,0 +1,19 @@ +; RUN: opt -indvars %s -disable-output + +declare i32 @putchar(i8) nounwind + +define void @t2(i1* %P) 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 @putchar(i8 72) ; <i32> [#uses=0] + %4 = fadd double %2, -1.000000e+00 ; <double> [#uses=2] + %5 = fcmp ult double %4, 0.000000e+00 ; <i1> [#uses=1] + store i1 %5, i1* %P + br i1 %5, label %6, label %1 + +; <label>:6 ; preds = %1 + ret void +}
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