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Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/SimplifyCFG/2009-05-12-externweak.ll | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/2009-05-12-externweak.ll b/test/Transforms/SimplifyCFG/2009-05-12-externweak.ll new file mode 100644 index 0000000..5969f27 --- /dev/null +++ b/test/Transforms/SimplifyCFG/2009-05-12-externweak.ll @@ -0,0 +1,47 @@ +; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep select +; ModuleID = '<stdin>' +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin10.0" +module asm ".globl _foo" +module asm "_foo: ret" +module asm ".globl _i" +module asm ".set _i, 0" +@i = extern_weak global i32 ; <i32*> [#uses=2] +@j = common global i32 0 ; <i32*> [#uses=1] +@ed = common global double 0.000000e+00, align 8 ; <double*> [#uses=1] + +define i32 @main() nounwind ssp { +entry: + br label %bb4 + +bb: ; preds = %bb4 + br i1 icmp ne (i32* @i, i32* null), label %bb1, label %bb2 + +bb1: ; preds = %bb + %0 = load i32* @i, align 4 ; <i32> [#uses=1] + br label %bb3 + +bb2: ; preds = %bb + br label %bb3 + +bb3: ; preds = %bb2, %bb1 + %storemerge = phi i32 [ %0, %bb1 ], [ 0, %bb2 ] ; <i32> [#uses=2] + store i32 %storemerge, i32* @j + %1 = sitofp i32 %storemerge to double ; <double> [#uses=1] + %2 = call double @sin(double %1) nounwind readonly ; <double> [#uses=1] + %3 = add double %2, %d.0 ; <double> [#uses=1] + %4 = add i32 %l.0, 1 ; <i32> [#uses=1] + br label %bb4 + +bb4: ; preds = %bb3, %entry + %d.0 = phi double [ undef, %entry ], [ %3, %bb3 ] ; <double> [#uses=2] + %l.0 = phi i32 [ 0, %entry ], [ %4, %bb3 ] ; <i32> [#uses=2] + %5 = icmp sgt i32 %l.0, 99 ; <i1> [#uses=1] + br i1 %5, label %bb5, label %bb + +bb5: ; preds = %bb4 + store double %d.0, double* @ed, align 8 + ret i32 0 +} + +declare double @sin(double) nounwind readonly |