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https://github.com/RPCS3/llvm-mirror.git
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f2cb55e405
replacement to make it at least as generic as the instruction being replaced. This includes: * dropping nsw/nuw flags * getting the least restrictive tbaa and fpmath metadata * merging ranges Fixes PR12979. llvm-svn: 157958
82 lines
2.0 KiB
LLVM
82 lines
2.0 KiB
LLVM
; RUN: opt %s -basicaa -gvn -S -o - | FileCheck %s
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define i32 @test1(i8* %p, i8* %q) {
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; CHECK: @test1(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p)
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; CHECK-NOT: tbaa
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !0
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%b = call i32 @foo(i8* %p)
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test2(i8* %p, i8* %q) {
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; CHECK: @test2(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa !0
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !0
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%b = call i32 @foo(i8* %p), !tbaa !0
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test3(i8* %p, i8* %q) {
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; CHECK: @test3(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa !3
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !3
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%b = call i32 @foo(i8* %p), !tbaa !3
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test4(i8* %p, i8* %q) {
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; CHECK: @test4(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa !1
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !1
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%b = call i32 @foo(i8* %p), !tbaa !0
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test5(i8* %p, i8* %q) {
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; CHECK: @test5(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa !1
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !0
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%b = call i32 @foo(i8* %p), !tbaa !1
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test6(i8* %p, i8* %q) {
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; CHECK: @test6(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p), !tbaa !1
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !0
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%b = call i32 @foo(i8* %p), !tbaa !3
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test7(i8* %p, i8* %q) {
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; CHECK: @test7(i8* %p, i8* %q)
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; CHECK: call i32 @foo(i8* %p)
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; CHECK-NOT: tbaa
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; CHECK: %c = add i32 %a, %a
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%a = call i32 @foo(i8* %p), !tbaa !4
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%b = call i32 @foo(i8* %p), !tbaa !3
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%c = add i32 %a, %b
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ret i32 %c
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}
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declare i32 @foo(i8*) readonly
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!0 = metadata !{metadata !"C", metadata !1}
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!1 = metadata !{metadata !"A", metadata !2}
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!2 = metadata !{metadata !"tbaa root", null}
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!3 = metadata !{metadata !"B", metadata !1}
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!4 = metadata !{metadata !"another root", null}
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