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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Mips/msa/llvm-stress-s2501752154-simplified.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

28 lines
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LLVM

; RUN: llc -mtriple=mips < %s
; RUN: llc -mtriple=mips -mattr=+msa,+fp64,+mips32r2 < %s
; RUN: llc -mtriple=mipsel < %s
; RUN: llc -mtriple=mipsel -mattr=+msa,+fp64,+mips32r2 < %s
; This test originally failed for MSA with a "Cannot select ..." error.
; This happened because the legalizer treated undef's in the <4 x float>
; constant as equivalent to the defined elements when checking if it a constant
; splat, but then proceeded to legalize the undef's to zero, leaving it as a
; non-splat that cannot be selected. It should have eliminated the undef's by
; rewriting the splat constant.
; It should at least successfully build.
define void @autogen_SD2501752154() {
BB:
%BC = bitcast <4 x i32> <i32 -1, i32 -1, i32 undef, i32 undef> to <4 x float>
br label %CF74
CF74: ; preds = %CF74, %CF
%E54 = extractelement <1 x i1> undef, i32 0
br i1 %E54, label %CF74, label %CF79
CF79: ; preds = %CF75
%I63 = insertelement <4 x float> %BC, float undef, i32 0
ret void
}