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3d200255d5
For some targets, it is desirable to prefer scalarizing <N x i1> instead of promoting to a larger legal type, such as <N x i32>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168882 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
679 B
LLVM
20 lines
679 B
LLVM
; RUN: llc < %s -march=nvptx -mcpu=sm_20
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; RUN: llc < %s -march=nvptx64 -mcpu=sm_20
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; This test makes sure that the result of vector compares are properly
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; scalarized. If codegen fails, then the type legalizer incorrectly
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; tried to promote <2 x i1> to <2 x i8> and instruction selection failed.
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define void @foo(<2 x i32>* %a, <2 x i32>* %b, i32* %r1, i32* %r2) {
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%aval = load <2 x i32>* %a
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%bval = load <2 x i32>* %b
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%res = icmp slt <2 x i32> %aval, %bval
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%t1 = extractelement <2 x i1> %res, i32 0
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%t2 = extractelement <2 x i1> %res, i32 1
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%t1a = zext i1 %t1 to i32
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%t2a = zext i1 %t2 to i32
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store i32 %t1a, i32* %r1
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store i32 %t2a, i32* %r2
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ret void
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}
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