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68 lines
1.4 KiB
68 lines
1.4 KiB
4 months ago
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; RUN: opt < %s -constprop -S | FileCheck %s
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%struct = type { i32, [4 x i8] }
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define i32 @test1() {
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%A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 0
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ret i32 %A
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; CHECK-LABEL: @test1(
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; CHECK: ret i32 2
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}
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define i8 @test2() {
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%A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 1, 2
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ret i8 %A
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; CHECK-LABEL: @test2(
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; CHECK: ret i8 111
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}
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define i32 @test3() {
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%A = extractvalue [3 x %struct] [ %struct { i32 0, [4 x i8] c"aaaa" }, %struct { i32 1, [4 x i8] c"bbbb" }, %struct { i32 2, [4 x i8] c"cccc" } ], 1, 0
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ret i32 %A
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; CHECK-LABEL: @test3(
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; CHECK: ret i32 1
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}
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define i32 @zeroinitializer-test1() {
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%A = extractvalue %struct zeroinitializer, 0
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ret i32 %A
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; CHECK: @zeroinitializer-test1
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; CHECK: ret i32 0
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}
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define i8 @zeroinitializer-test2() {
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%A = extractvalue %struct zeroinitializer, 1, 2
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ret i8 %A
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; CHECK: @zeroinitializer-test2
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; CHECK: ret i8 0
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}
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define i32 @zeroinitializer-test3() {
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%A = extractvalue [3 x %struct] zeroinitializer, 1, 0
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ret i32 %A
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; CHECK: @zeroinitializer-test3
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; CHECK: ret i32 0
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}
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define i32 @undef-test1() {
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%A = extractvalue %struct undef, 0
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ret i32 %A
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; CHECK: @undef-test1
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; CHECK: ret i32 undef
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}
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define i8 @undef-test2() {
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%A = extractvalue %struct undef, 1, 2
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ret i8 %A
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; CHECK: @undef-test2
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; CHECK: ret i8 undef
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}
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define i32 @undef-test3() {
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%A = extractvalue [3 x %struct] undef, 1, 0
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ret i32 %A
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; CHECK: @undef-test3
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; CHECK: ret i32 undef
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}
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