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| ; RUN: opt < %s -instsimplify -S | FileCheck %s
declare void @bar()
define void @test1() personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0 {
entry:
invoke void @bar() to label %cont unwind label %lpad
cont:
ret void
lpad:
%ex = landingpad { i8*, i32 } cleanup
%exc_ptr = extractvalue { i8*, i32 } %ex, 0
%filter = extractvalue { i8*, i32 } %ex, 1
%exc_ptr2 = insertvalue { i8*, i32 } undef, i8* %exc_ptr, 0
%filter2 = insertvalue { i8*, i32 } %exc_ptr2, i32 %filter, 1
resume { i8*, i32 } %filter2
; CHECK-LABEL: @test1(
; CHECK-NOT: extractvalue
; CHECK-NOT: insertvalue
}
declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*)
define { i8, i32 } @test2({ i8*, i32 } %x) {
%ex = extractvalue { i8*, i32 } %x, 1
%ins = insertvalue { i8, i32 } undef, i32 %ex, 1
ret { i8, i32 } %ins
; CHECK-LABEL: @test2(
}
define i32 @test3(i32 %a, float %b) {
%agg1 = insertvalue {i32, float} undef, i32 %a, 0
%agg2 = insertvalue {i32, float} %agg1, float %b, 1
%ev = extractvalue {i32, float} %agg2, 0
ret i32 %ev
; CHECK-LABEL: @test3(
; CHECK: ret i32 %a
}
define i8 @test4(<8 x i8> %V) {
%add = add <8 x i8> %V, bitcast (double 0x319BEB8FD172E36 to <8 x i8>)
%extract = extractelement <8 x i8> %add, i32 6
ret i8 %extract
; CHECK-LABEL: @test4(
; CHECK: %[[add:.*]] = add <8 x i8> %V, bitcast (<1 x double> <double 0x319BEB8FD172E36> to <8 x i8>)
; CHECK-NEXT: %[[extract:.*]] = extractelement <8 x i8> %[[add]], i32 6
; CHECK-NEXT: ret i8 %[[extract]]
}
define i32 @test5(<4 x i32> %V) {
%extract = extractelement <4 x i32> %V, i32 undef
ret i32 %extract
}
; CHECK-LABEL: @test5(
; CHECK: ret i32 undef
|