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TheRock/compiler/amd-llvm/llvm/test/Transforms/InstCombine/pr51824.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

47 lines
1.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
; OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38057
define void @PR51824(<4 x i16> %idxs, ptr %ptr, i1 %c1, ptr %ptr2) {
; CHECK-LABEL: @PR51824(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[BB:%.*]]
; CHECK: BB:
; CHECK-NEXT: br i1 [[C1:%.*]], label [[BB]], label [[BB1:%.*]]
; CHECK: BB1:
; CHECK-NEXT: ret void
;
entry:
%C7 = icmp sgt i1 false, true
%B2 = lshr i16 -32768, 0
%C1 = icmp uge i16 %B2, %B2
%E9 = extractelement <4 x i16> zeroinitializer, i16 %B2
%I2 = insertelement <4 x i16> poison, i16 %E9, i16 0
%i = sext <4 x i16> %I2 to <4 x i32>
%i1 = getelementptr inbounds i64, ptr null, <4 x i32> %i
%i2 = ptrtoint <4 x ptr> %i1 to <4 x i32>
%E2 = extractelement <4 x i32> %i2, i16 0
br label %BB
BB: ; preds = %BB, %entry
%A15 = alloca <4 x i32>, align 16
%L2 = load <4 x i32>, ptr %A15, align 16
%G1 = getelementptr i64, ptr null, i32 %E2
%i3 = getelementptr inbounds i64, ptr %G1, <4 x i16> %idxs
%i4 = ptrtoint <4 x ptr> %i3 to <4 x i32>
%E22 = extractelement <4 x i32> %L2, i1 false
%E8 = extractelement <4 x i32> %i4, i1 false
%I10 = insertelement <4 x i32> undef, i32 undef, i32 %E8
%I19 = insertelement <4 x i32> %I10, i32 %E22, i16 0
%S7 = shufflevector <4 x i32> %I19, <4 x i32> %L2, <4 x i32> poison
%I8 = insertelement <4 x i32> %I19, i32 0, i1 %C1
%E10 = extractelement <4 x i32> %I8, i1 poison
store i32 %E10, ptr %ptr, align 4
br i1 %c1, label %BB, label %BB1
BB1: ; preds = %BB
%S8 = shufflevector <4 x i32> %I10, <4 x i32> %S7, <4 x i32> undef
store <4 x i32> %S8, ptr %ptr2, align 16
ret void
}