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https://github.com/c64scene-ar/llvm-6502.git
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f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.8 KiB
LLVM
45 lines
1.8 KiB
LLVM
; RUN: opt < %s -loopsimplify -loop-rotate -instcombine -indvars -S > %t
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; RUN: not grep sext %t
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; RUN: grep {phi i64} %t | count 1
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; Loopsimplify should be able to merge the two loop exits
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; into one, so that loop rotate can rotate the loop, so
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; that indvars can promote the induction variable to i64
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; without needing casts.
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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"
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define float @t(float* %pTmp1, float* %peakWeight, i32 %bandEdgeIndex) nounwind {
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entry:
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%t0 = load float* %peakWeight, align 4 ; <float> [#uses=1]
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br label %bb1
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bb: ; preds = %bb2
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%t1 = sext i32 %hiPart.0 to i64 ; <i64> [#uses=1]
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%t2 = getelementptr float* %pTmp1, i64 %t1 ; <float*> [#uses=1]
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%t3 = load float* %t2, align 4 ; <float> [#uses=1]
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%t4 = fadd float %t3, %distERBhi.0 ; <float> [#uses=1]
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%t5 = add i32 %hiPart.0, 1 ; <i32> [#uses=2]
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%t6 = sext i32 %t5 to i64 ; <i64> [#uses=1]
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%t7 = getelementptr float* %peakWeight, i64 %t6 ; <float*> [#uses=1]
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%t8 = load float* %t7, align 4 ; <float> [#uses=1]
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%t9 = fadd float %t8, %peakCount.0 ; <float> [#uses=1]
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br label %bb1
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bb1: ; preds = %bb, %entry
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%peakCount.0 = phi float [ %t0, %entry ], [ %t9, %bb ] ; <float> [#uses=2]
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%hiPart.0 = phi i32 [ 0, %entry ], [ %t5, %bb ] ; <i32> [#uses=3]
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%distERBhi.0 = phi float [ 0.000000e+00, %entry ], [ %t4, %bb ] ; <float> [#uses=3]
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%t10 = fcmp uge float %distERBhi.0, 2.500000e+00 ; <i1> [#uses=1]
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br i1 %t10, label %bb3, label %bb2
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bb2: ; preds = %bb1
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%t11 = add i32 %bandEdgeIndex, -1 ; <i32> [#uses=1]
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%t12 = icmp sgt i32 %t11, %hiPart.0 ; <i1> [#uses=1]
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br i1 %t12, label %bb, label %bb3
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bb3: ; preds = %bb2, %bb1
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%t13 = fdiv float %peakCount.0, %distERBhi.0 ; <float> [#uses=1]
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ret float %t13
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}
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