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TheRock/compiler/amd-llvm/llvm/test/Transforms/InstCombine/pr35515.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

26 lines
834 B
LLVM

; RUN: opt -S -passes=instcombine < %s | FileCheck %s
@g_40 = external global i8, align 2
@g_461 = external global [6 x i8], align 2
@g_49 = external local_unnamed_addr global { i8, i8, i8, i8, i8 }, align 2
; CHECK-LABEL: @func_24(
define i40 @func_24() {
entry:
%bf.load81 = load i40, ptr @g_49, align 2
%bf.clear = and i40 %bf.load81, -274869518337
%cmp2 = icmp eq ptr getelementptr inbounds ([6 x i8], ptr @g_461, i64 0, i64 2), @g_40
%zext1 = zext i1 %cmp2 to i32
%cmp = icmp sgt i32 %zext1, 0
%zext2 = zext i1 %cmp to i40
%shl = shl i40 %zext2, 23
%bf.set = or i40 %bf.clear, %shl
%tmp = lshr i40 %bf.set, 23
%tmp1 = trunc i40 %tmp to i32
%tmp2 = and i32 1, %tmp1
%tmp3 = shl nuw nsw i32 %tmp2, 23
%bf.shl154 = zext i32 %tmp3 to i40
%bf.set156 = or i40 %bf.clear, %bf.shl154
ret i40 %bf.set156
}