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Diffstat (limited to 'test/CodeGen/X86/stride-reuse.ll')
| -rw-r--r-- | test/CodeGen/X86/stride-reuse.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/X86/stride-reuse.ll b/test/CodeGen/X86/stride-reuse.ll new file mode 100644 index 0000000000..97f33d8adb --- /dev/null +++ b/test/CodeGen/X86/stride-reuse.ll @@ -0,0 +1,30 @@ +; RUN: llvm-as < %s | llc -march=x86 | not grep lea +; RUN: llvm-as < %s | llc -march=x86-64 | not grep lea + +@B = external global [1000 x float], align 32 +@A = external global [1000 x float], align 32 +@P = external global [1000 x i32], align 32 + +define void @foo(i32 %m) { +entry: + %tmp1 = icmp sgt i32 %m, 0 + br i1 %tmp1, label %bb, label %return + +bb: + %i.019.0 = phi i32 [ %indvar.next, %bb ], [ 0, %entry ] + %tmp2 = getelementptr [1000 x float]* @B, i32 0, i32 %i.019.0 + %tmp3 = load float* %tmp2, align 4 + %tmp4 = mul float %tmp3, 2.000000e+00 + %tmp5 = getelementptr [1000 x float]* @A, i32 0, i32 %i.019.0 + store float %tmp4, float* %tmp5, align 4 + %tmp8 = shl i32 %i.019.0, 1 + %tmp9 = add i32 %tmp8, 64 + %tmp10 = getelementptr [1000 x i32]* @P, i32 0, i32 %i.019.0 + store i32 %tmp9, i32* %tmp10, align 4 + %indvar.next = add i32 %i.019.0, 1 + %exitcond = icmp eq i32 %indvar.next, %m + br i1 %exitcond, label %return, label %bb + +return: + ret void +} |