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