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7b5702378b
We were hitting an issue when the scalar_to_vector source was being implicitly truncated (in this case to i8 to vXi1) but we were also using the i8 source in a broadcast to a vXi8 value. Fixes PR50374
32 lines
1.5 KiB
LLVM
32 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s
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define void @PR50374() {
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; CHECK-LABEL: PR50374:
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; CHECK: # %bb.0: # %while.84.body.preheader
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; CHECK-NEXT: .p2align 4, 0x90
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; CHECK-NEXT: .LBB0_1: # %vector.body1999
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: jmp .LBB0_1
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while.84.body.preheader:
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%0 = load i8, i8* undef, align 1
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%1 = load i8, i8* undef, align 4
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%.not14.2.2 = icmp eq i8 0, 0
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%2 = and i8 %0, 1
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%.not14.1.2 = icmp eq i8 %2, 0
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%3 = select i1 %.not14.2.2, i1 %.not14.1.2, i1 false
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%.not14.2361 = icmp eq i8 0, 0
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%4 = select i1 %3, i1 %.not14.2361, i1 false
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%add.10961.i.2.2 = select reassoc nsz contract i1 %4, float 0.000000e+00, float 0x7FF8000000000000
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%broadcast.splatinsert2024 = insertelement <8 x float> poison, float %add.10961.i.2.2, i32 0
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%broadcast.splat2025 = shufflevector <8 x float> %broadcast.splatinsert2024, <8 x float> poison, <8 x i32> zeroinitializer
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%broadcast.splatinsert2049 = insertelement <8 x i8> poison, i8 %1, i32 0
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%broadcast.splat2050 = shufflevector <8 x i8> %broadcast.splatinsert2049, <8 x i8> poison, <8 x i32> zeroinitializer
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br label %vector.body1999
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vector.body1999: ; preds = %vector.body1999, %while.84.body.preheader
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%predphi2026 = select <8 x i1> undef, <8 x float> undef, <8 x float> %broadcast.splat2025
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%predphi2051 = select <8 x i1> undef, <8 x i8> %broadcast.splat2050, <8 x i8> undef
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br label %vector.body1999
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}
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