; RUN: opt < %s -instsimplify -S | FileCheck %s %struct = type { i32, [4 x i8] } define %struct @test1() { %A = insertvalue %struct { i32 2, [4 x i8] c"foo\00" }, i32 1, 0 ret %struct %A ; CHECK-LABEL: @test1( ; CHECK: ret %struct { i32 1, [4 x i8] c"foo\00" } } define %struct @test2() { %A = insertvalue %struct { i32 2, [4 x i8] c"foo\00" }, i8 1, 1, 2 ret %struct %A ; CHECK-LABEL: @test2( ; CHECK: ret %struct { i32 2, [4 x i8] c"fo\01\00" } } define [3 x %struct] @test3() { %A = insertvalue [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" } ], i32 -1, 1, 0 ret [3 x %struct] %A ; CHECK-LABEL: @test3( ; CHECK:ret [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" }] } define %struct @zeroinitializer-test1() { %A = insertvalue %struct zeroinitializer, i32 1, 0 ret %struct %A ; CHECK: @zeroinitializer-test1 ; CHECK: ret %struct { i32 1, [4 x i8] zeroinitializer } } define %struct @zeroinitializer-test2() { %A = insertvalue %struct zeroinitializer, i8 1, 1, 2 ret %struct %A ; CHECK: @zeroinitializer-test2 ; CHECK: ret %struct { i32 0, [4 x i8] c"\00\00\01\00" } } define [3 x %struct] @zeroinitializer-test3() { %A = insertvalue [3 x %struct] zeroinitializer, i32 1, 1, 0 ret [3 x %struct] %A ; CHECK: @zeroinitializer-test3 ; CHECK: ret [3 x %struct] [%struct zeroinitializer, %struct { i32 1, [4 x i8] zeroinitializer }, %struct zeroinitializer] } define %struct @undef-test1() { %A = insertvalue %struct undef, i32 1, 0 ret %struct %A ; CHECK: @undef-test1 ; CHECK: ret %struct { i32 1, [4 x i8] undef } } define %struct @undef-test2() { %A = insertvalue %struct undef, i8 0, 1, 2 ret %struct %A ; CHECK: @undef-test2 ; CHECK: ret %struct { i32 undef, [4 x i8] [i8 undef, i8 undef, i8 0, i8 undef] } } define [3 x %struct] @undef-test3() { %A = insertvalue [3 x %struct] undef, i32 0, 1, 0 ret [3 x %struct] %A ; CHECK: @undef-test3 ; CHECK: ret [3 x %struct] [%struct undef, %struct { i32 0, [4 x i8] undef }, %struct undef] } define i32 @test-float-Nan() { %A = bitcast i32 2139171423 to float %B = insertvalue [1 x float] undef, float %A, 0 %C = extractvalue [1 x float] %B, 0 %D = bitcast float %C to i32 ret i32 %D ; CHECK: @test-float-Nan ; CHECK: ret i32 2139171423 } define i16 @test-half-Nan() { %A = bitcast i16 32256 to half %B = insertvalue [1 x half] undef, half %A, 0 %C = extractvalue [1 x half] %B, 0 %D = bitcast half %C to i16 ret i16 %D ; CHECK: @test-half-Nan ; CHECK: ret i16 32256 }