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- ; 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
- ; that indvars can promote the induction variable to i64
- ; without needing casts.
- 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"
- ; 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, float* %peakWeight, align 4
- br label %bb1
- bb: ; preds = %bb2
- %t1 = sext i32 %hiPart.0 to i64
- %t2 = getelementptr float, float* %pTmp1, i64 %t1
- %t3 = load float, 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, float* %peakWeight, i64 %t6
- %t8 = load float, 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 ]
- %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
- %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
- ret float %t13
- }
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