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https://github.com/c64scene-ar/llvm-6502.git
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83c05e5d30
be folded. Instead, fail to fold the entire vector. We could also return a vector with some elements folded and some not. If anyone thinks that's a better approach, please speak up! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55689 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
981 B
LLVM
28 lines
981 B
LLVM
; RUN: llvm-as < %s | opt -instcombine
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define void @entry(i32 %m_task_id, i32 %start_x, i32 %end_x, i32 %start_y, i32 %end_y) {
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br label %1
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; <label>:1 ; preds = %4, %0
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%2 = icmp slt i32 0, %end_y ; <i1> [#uses=1]
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br i1 %2, label %4, label %3
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; <label>:3 ; preds = %1
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ret void
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; <label>:4 ; preds = %6, %1
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%5 = icmp slt i32 0, %end_x ; <i1> [#uses=1]
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br i1 %5, label %6, label %1
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; <label>:6 ; preds = %4
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%7 = srem <2 x i32> zeroinitializer, zeroinitializer ; <<2 x i32>> [#uses=1]
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%8 = extractelement <2 x i32> %7, i32 1 ; <i32> [#uses=1]
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%9 = select i1 false, i32 0, i32 %8 ; <i32> [#uses=1]
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%10 = insertelement <2 x i32> zeroinitializer, i32 %9, i32 1 ; <<2 x i32>> [#uses=1]
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%11 = extractelement <2 x i32> %10, i32 1 ; <i32> [#uses=1]
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%12 = insertelement <4 x i32> zeroinitializer, i32 %11, i32 3 ; <<4 x i32>> [#uses=1]
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%13 = sitofp <4 x i32> %12 to <4 x float> ; <<4 x float>> [#uses=1]
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store <4 x float> %13, <4 x float>* null
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br label %4
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}
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