1 ; RUN: opt < %s -constprop -S | FileCheck %s 2 3 %struct = type { i32, [4 x i8] } 4 5 define i32 @test1() { 6 %A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 0 7 ret i32 %A 8 ; CHECK-LABEL: @test1( 9 ; CHECK: ret i32 2 10 } 11 12 define i8 @test2() { 13 %A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 1, 2 14 ret i8 %A 15 ; CHECK-LABEL: @test2( 16 ; CHECK: ret i8 111 17 } 18 19 define i32 @test3() { 20 %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 21 ret i32 %A 22 ; CHECK-LABEL: @test3( 23 ; CHECK: ret i32 1 24 } 25 26 define i32 @zeroinitializer-test1() { 27 %A = extractvalue %struct zeroinitializer, 0 28 ret i32 %A 29 ; CHECK: @zeroinitializer-test1 30 ; CHECK: ret i32 0 31 } 32 33 define i8 @zeroinitializer-test2() { 34 %A = extractvalue %struct zeroinitializer, 1, 2 35 ret i8 %A 36 ; CHECK: @zeroinitializer-test2 37 ; CHECK: ret i8 0 38 } 39 40 define i32 @zeroinitializer-test3() { 41 %A = extractvalue [3 x %struct] zeroinitializer, 1, 0 42 ret i32 %A 43 ; CHECK: @zeroinitializer-test3 44 ; CHECK: ret i32 0 45 } 46 47 define i32 @undef-test1() { 48 %A = extractvalue %struct undef, 0 49 ret i32 %A 50 ; CHECK: @undef-test1 51 ; CHECK: ret i32 undef 52 } 53 54 define i8 @undef-test2() { 55 %A = extractvalue %struct undef, 1, 2 56 ret i8 %A 57 ; CHECK: @undef-test2 58 ; CHECK: ret i8 undef 59 } 60 61 define i32 @undef-test3() { 62 %A = extractvalue [3 x %struct] undef, 1, 0 63 ret i32 %A 64 ; CHECK: @undef-test3 65 ; CHECK: ret i32 undef 66 } 67 68
