236fbf571d
Constant expressions with a non-pointer result type used an early exit that bypassed the later dead constant user check, and resulted in different optimization outcomes depending on whether dead users were present or not. This fixes the issue reported in https://reviews.llvm.org/D117223#3287039.
24 lines
826 B
LLVM
24 lines
826 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes='function(early-cse),globalopt' < %s | FileCheck %s
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; RUN: opt -S -passes='function(early-cse)' < %s | opt -S -passes=globalopt | FileCheck %s
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@g = internal global [6 x i16*] undef
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define void @test1() {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret void
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;
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%xor4 = xor i32 zext (i1 icmp ne (i8* getelementptr (i8, i8* bitcast ([6 x i16*]* @g to i8*), i64 3), i8* null) to i32), 0
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%t0 = load i16*, i16** bitcast (i8* getelementptr (i8, i8* bitcast ([6 x i16*]* @g to i8*), i64 3) to i16**), align 1
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%t1 = load i16, i16* %t0, align 1
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ret void
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}
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define void @test2() {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: ret void
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;
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store i16* null, i16** getelementptr inbounds ([6 x i16*], [6 x i16*]* @g, i32 0, i32 5)
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ret void
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}
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