forked from OSchip/llvm-project
31 lines
1.0 KiB
LLVM
31 lines
1.0 KiB
LLVM
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; RUN: opt -scalarizer -S < %s | FileCheck %s
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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-n8:16:32:64-S128"
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; Check that vector element 1 is scalarized correctly from a chain of
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; insertelement instructions
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define void @func(i32 %x) {
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; CHECK-LABEL: @func(
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; CHECK-NOT: phi i32 [ %x, %entry ], [ %inc.pos.y, %loop ]
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; CHECK: phi i32 [ %inc, %entry ], [ %inc.pos.y, %loop ]
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; CHECK: ret void
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entry:
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%vecinit = insertelement <2 x i32> <i32 0, i32 0>, i32 %x, i32 1
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%inc = add i32 %x, 1
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%0 = insertelement <2 x i32> %vecinit, i32 %inc, i32 1
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br label %loop
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loop:
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%pos = phi <2 x i32> [ %0, %entry ], [ %new.pos.y, %loop ]
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%i = phi i32 [ 0, %entry ], [ %new.i, %loop ]
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%pos.y = extractelement <2 x i32> %pos, i32 1
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%inc.pos.y = add i32 %pos.y, 1
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%new.pos.y = insertelement <2 x i32> %pos, i32 %inc.pos.y, i32 1
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%new.i = add i32 %i, 1
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%cmp2 = icmp slt i32 %new.i, 1
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br i1 %cmp2, label %loop, label %exit
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exit:
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ret void
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}
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