diff options
Diffstat (limited to 'test/Transforms/LoopSimplify/merge-exits.ll')
| -rw-r--r-- | test/Transforms/LoopSimplify/merge-exits.ll | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/test/Transforms/LoopSimplify/merge-exits.ll b/test/Transforms/LoopSimplify/merge-exits.ll index 8de5938..9678148 100644 --- a/test/Transforms/LoopSimplify/merge-exits.ll +++ b/test/Transforms/LoopSimplify/merge-exits.ll @@ -1,6 +1,4 @@ -; RUN: opt < %s -loop-simplify -loop-rotate -instcombine -indvars -S -verify-loop-info -verify-dom-info > %t -; RUN: not grep sext %t -; RUN: grep "phi i64" %t | count 1 +; RUN: opt < %s -loop-simplify -loop-rotate -instcombine -indvars -S -verify-loop-info -verify-dom-info | FileCheck %s ; Loopsimplify should be able to merge the two loop exits ; into one, so that loop rotate can rotate the loop, so @@ -9,36 +7,42 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n32:64" -define float @t(float* %pTmp1, float* %peakWeight, i32 %bandEdgeIndex) nounwind { +; CHECK-LABEL: @test1 +; CHECK: bb: +; CHECK: phi i64 +; CHECK-NOT: phi i64 +; CHECK-NOT: sext + +define float @test1(float* %pTmp1, float* %peakWeight, i32 %bandEdgeIndex) nounwind { entry: - %t0 = load float* %peakWeight, align 4 ; <float> [#uses=1] + %t0 = load float* %peakWeight, align 4 br label %bb1 bb: ; preds = %bb2 - %t1 = sext i32 %hiPart.0 to i64 ; <i64> [#uses=1] - %t2 = getelementptr float* %pTmp1, i64 %t1 ; <float*> [#uses=1] - %t3 = load float* %t2, align 4 ; <float> [#uses=1] - %t4 = fadd float %t3, %distERBhi.0 ; <float> [#uses=1] - %t5 = add i32 %hiPart.0, 1 ; <i32> [#uses=2] - %t6 = sext i32 %t5 to i64 ; <i64> [#uses=1] - %t7 = getelementptr float* %peakWeight, i64 %t6 ; <float*> [#uses=1] - %t8 = load float* %t7, align 4 ; <float> [#uses=1] - %t9 = fadd float %t8, %peakCount.0 ; <float> [#uses=1] + %t1 = sext i32 %hiPart.0 to i64 + %t2 = getelementptr float* %pTmp1, i64 %t1 + %t3 = load float* %t2, align 4 + %t4 = fadd float %t3, %distERBhi.0 + %t5 = add i32 %hiPart.0, 1 + %t6 = sext i32 %t5 to i64 + %t7 = getelementptr float* %peakWeight, i64 %t6 + %t8 = load float* %t7, align 4 + %t9 = fadd float %t8, %peakCount.0 br label %bb1 bb1: ; preds = %bb, %entry - %peakCount.0 = phi float [ %t0, %entry ], [ %t9, %bb ] ; <float> [#uses=2] - %hiPart.0 = phi i32 [ 0, %entry ], [ %t5, %bb ] ; <i32> [#uses=3] - %distERBhi.0 = phi float [ 0.000000e+00, %entry ], [ %t4, %bb ] ; <float> [#uses=3] - %t10 = fcmp uge float %distERBhi.0, 2.500000e+00 ; <i1> [#uses=1] + %peakCount.0 = phi float [ %t0, %entry ], [ %t9, %bb ] + %hiPart.0 = phi i32 [ 0, %entry ], [ %t5, %bb ] + %distERBhi.0 = phi float [ 0.000000e+00, %entry ], [ %t4, %bb ] + %t10 = fcmp uge float %distERBhi.0, 2.500000e+00 br i1 %t10, label %bb3, label %bb2 bb2: ; preds = %bb1 - %t11 = add i32 %bandEdgeIndex, -1 ; <i32> [#uses=1] - %t12 = icmp sgt i32 %t11, %hiPart.0 ; <i1> [#uses=1] + %t11 = add i32 %bandEdgeIndex, -1 + %t12 = icmp sgt i32 %t11, %hiPart.0 br i1 %t12, label %bb, label %bb3 bb3: ; preds = %bb2, %bb1 - %t13 = fdiv float %peakCount.0, %distERBhi.0 ; <float> [#uses=1] + %t13 = fdiv float %peakCount.0, %distERBhi.0 ret float %t13 } |