69 lines
1.5 KiB
LLVM
69 lines
1.5 KiB
LLVM
; RUN: opt -globalopt -S < %s | FileCheck %s
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@a = internal global i32 0, align 4
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@b = internal global i32 0, align 4
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@c = internal global i32 0, align 4
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@d = internal constant [4 x i8] c"foo\00", align 1
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@e = linkonce_odr global i32 0
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; CHECK: @a = internal global i32 0, align 4
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; CHECK: @b = internal global i32 0, align 4
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; CHECK: @c = internal unnamed_addr global i32 0, align 4
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; CHECK: @d = internal unnamed_addr constant [4 x i8] c"foo\00", align 1
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; CHECK: @e = linkonce_odr global i32 0
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define i32 @get_e() {
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%t = load i32, i32* @e
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ret i32 %t
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}
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define void @set_e(i32 %x) {
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store i32 %x, i32* @e
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ret void
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}
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define i1 @bah(i64 %i) nounwind readonly optsize ssp {
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entry:
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%arrayidx4 = getelementptr inbounds [4 x i8], [4 x i8]* @d, i64 0, i64 %i
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%tmp5 = load i8, i8* %arrayidx4, align 1
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%array0 = bitcast [4 x i8]* @d to i8*
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%tmp6 = load i8, i8* %array0, align 1
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%cmp = icmp eq i8 %tmp5, %tmp6
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ret i1 %cmp
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}
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define void @baz(i32 %x) {
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entry:
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store i32 %x, i32* @a, align 4
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store i32 %x, i32* @b, align 4
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store i32 %x, i32* @c, align 4
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ret void
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}
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define i32 @foo(i32* %x) nounwind readnone optsize ssp {
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entry:
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%cmp = icmp eq i32* %x, @a
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%conv = zext i1 %cmp to i32
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ret i32 %conv
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}
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define i32 @bar() {
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entry:
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switch i64 ptrtoint (i32* @b to i64), label %sw.epilog [
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i64 1, label %return
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i64 0, label %return
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]
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sw.epilog:
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ret i32 0
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return:
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ret i32 1
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}
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define i32 @zed() {
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entry:
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%tmp1 = load i32, i32* @c, align 4
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ret i32 %tmp1
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}
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