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https://github.com/RPCS3/llvm-mirror.git
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207 lines
3.7 KiB
LLVM
207 lines
3.7 KiB
LLVM
; RUN: opt < %s -ipsccp -S | FileCheck %s
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;;======================== test1
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define internal i32 @test1a(i32 %A) {
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%X = add i32 1, 2
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ret i32 %A
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}
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; CHECK: define internal i32 @test1a
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; CHECK: ret i32 undef
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define i32 @test1b() {
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%X = call i32 @test1a( i32 17 )
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ret i32 %X
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; CHECK: define i32 @test1b
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; CHECK: ret i32 17
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}
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;;======================== test2
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define internal i32 @test2a(i32 %A) {
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%C = icmp eq i32 %A, 0
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br i1 %C, label %T, label %F
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T:
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%B = call i32 @test2a( i32 0 )
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ret i32 0
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F:
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%C.upgrd.1 = call i32 @test2a(i32 1)
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ret i32 %C.upgrd.1
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}
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; CHECK: define internal i32 @test2a
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; CHECK-NEXT: br label %T
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; CHECK: ret i32 undef
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define i32 @test2b() {
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%X = call i32 @test2a(i32 0)
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ret i32 %X
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}
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; CHECK: define i32 @test2b
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; CHECK-NEXT: %X = call i32 @test2a(i32 0)
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; CHECK-NEXT: ret i32 0
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;;======================== test3
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@G = internal global i32 undef
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define void @test3a() {
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%X = load i32* @G
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store i32 %X, i32* @G
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ret void
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}
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; CHECK: define void @test3a
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; CHECK-NEXT: ret void
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define i32 @test3b() {
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%V = load i32* @G
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%C = icmp eq i32 %V, 17
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br i1 %C, label %T, label %F
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T:
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store i32 17, i32* @G
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ret i32 %V
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F:
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store i32 123, i32* @G
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ret i32 0
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}
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; CHECK: define i32 @test3b
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; CHECK-NOT: store
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; CHECK: ret i32 0
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;;======================== test4
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define internal {i64,i64} @test4a() {
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%a = insertvalue {i64,i64} undef, i64 4, 1
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%b = insertvalue {i64,i64} %a, i64 5, 0
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ret {i64,i64} %b
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}
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define i64 @test4b() {
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%a = invoke {i64,i64} @test4a()
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to label %A unwind label %B
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A:
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%b = extractvalue {i64,i64} %a, 0
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%c = call i64 @test4c(i64 %b)
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ret i64 %c
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B:
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ret i64 0
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}
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; CHECK: define i64 @test4b()
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; CHECK: %c = call i64 @test4c(i64 5)
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; CHECK-NEXT: ret i64 5
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define internal i64 @test4c(i64 %a) {
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ret i64 %a
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}
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; CHECK: define internal i64 @test4c
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; CHECK: ret i64 undef
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;;======================== test5
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; PR4313
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define internal {i64,i64} @test5a() {
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%a = insertvalue {i64,i64} undef, i64 4, 1
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%b = insertvalue {i64,i64} %a, i64 5, 0
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ret {i64,i64} %b
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}
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define i64 @test5b() {
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%a = invoke {i64,i64} @test5a()
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to label %A unwind label %B
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A:
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%c = call i64 @test5c({i64,i64} %a)
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ret i64 %c
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B:
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ret i64 0
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}
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; CHECK: define i64 @test5b()
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; CHECK: A:
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; CHECK-NEXT: %c = call i64 @test5c(%0 %a)
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; CHECK-NEXT: ret i64 5
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define internal i64 @test5c({i64,i64} %a) {
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%b = extractvalue {i64,i64} %a, 0
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ret i64 %b
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}
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;;======================== test6
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define i64 @test6a() {
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ret i64 0
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}
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define i64 @test6b() {
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%a = call i64 @test6a()
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ret i64 %a
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}
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; CHECK: define i64 @test6b
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; CHECK: ret i64 0
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;;======================== test7
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%T = type {i32,i32}
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define internal {i32, i32} @test7a(i32 %A) {
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%X = add i32 1, %A
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%mrv0 = insertvalue %T undef, i32 %X, 0
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%mrv1 = insertvalue %T %mrv0, i32 %A, 1
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ret %T %mrv1
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; CHECK: @test7a
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; CHECK-NEXT: %mrv0 = insertvalue %T undef, i32 18, 0
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; CHECK-NEXT: %mrv1 = insertvalue %T %mrv0, i32 17, 1
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}
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define i32 @test7b() {
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%X = call {i32, i32} @test7a(i32 17)
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%Y = extractvalue {i32, i32} %X, 0
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%Z = add i32 %Y, %Y
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ret i32 %Z
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; CHECK: define i32 @test7b
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; CHECK-NEXT: call %T @test7a(i32 17)
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; CHECK-NEXT: ret i32 36
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}
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;;======================== test8
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define internal {} @test8a(i32 %A, i32* %P) {
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store i32 %A, i32* %P
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ret {} {}
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; CHECK: @test8a
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; CHECK-NEXT: store i32 5,
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; CHECK-NEXT: ret
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}
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define void @test8b(i32* %P) {
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%X = call {} @test8a(i32 5, i32* %P)
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ret void
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; CHECK: define void @test8b
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; CHECK-NEXT: call {} @test8a
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; CHECK-NEXT: ret void
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}
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;;======================== test9
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@test9g = internal global { } zeroinitializer
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define void @test9() {
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entry:
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%local_foo = alloca { }
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load { }* @test9g
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store { } %0, { }* %local_foo
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ret void
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}
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