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CHECK-LABELize test

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217797 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2014-09-15 17:56:56 +00:00
parent 744742602a
commit a1e80a1d33
2 changed files with 19 additions and 19 deletions
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4
test/Analysis/BasicAA/gcsetest.ll
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@ -1,5 +1,5 @@
; Test that GCSE uses basicaa to do alias analysis, which is capable of
; disambiguating some obvious cases. All loads should be removable in
; Test that GCSE uses basicaa to do alias analysis, which is capable of
; disambiguating some obvious cases. All loads should be removable in
; this testcase.
; RUN: opt < %s -basicaa -gvn -instcombine -dce -S | FileCheck %s

34
test/Analysis/BasicAA/modref.ll
View File

@ -8,20 +8,20 @@ declare void @external(i32*)
define i32 @test0(i8* %P) {
%A = alloca i32
call void @external(i32* %A)
store i32 0, i32* %A
call void @llvm.memset.p0i8.i32(i8* %P, i8 0, i32 42, i32 1, i1 false)
%B = load i32* %A
ret i32 %B
; CHECK: @test0
; CHECK-LABEL: @test0
; CHECK: ret i32 0
}
define i8 @test1() {
; CHECK: @test1
; CHECK-LABEL: @test1
%A = alloca i8
%B = alloca i8
@ -35,7 +35,7 @@ define i8 @test1() {
}
define i8 @test2(i8* %P) {
; CHECK: @test2
; CHECK-LABEL: @test2
%P2 = getelementptr i8* %P, i32 127
store i8 1, i8* %P2 ;; Not dead across memset
call void @llvm.memset.p0i8.i8(i8* %P, i8 2, i8 127, i32 0, i1 false)
@ -45,12 +45,12 @@ define i8 @test2(i8* %P) {
}
define i8 @test2a(i8* %P) {
; CHECK: @test2
; CHECK-LABEL: @test2
%P2 = getelementptr i8* %P, i32 126
;; FIXME: DSE isn't zapping this dead store.
store i8 1, i8* %P2 ;; Dead, clobbered by memset.
call void @llvm.memset.p0i8.i8(i8* %P, i8 2, i8 127, i32 0, i1 false)
%A = load i8* %P2
ret i8 %A
@ -59,11 +59,11 @@ define i8 @test2a(i8* %P) {
}
define void @test3(i8* %P, i8 %X) {
; CHECK: @test3
; CHECK-LABEL: @test3
; CHECK-NOT: store
; CHECK-NOT: %Y
%Y = add i8 %X, 1 ;; Dead, because the only use (the store) is dead.
%P2 = getelementptr i8* %P, i32 2
store i8 %Y, i8* %P2 ;; Not read by lifetime.end, should be removed.
; CHECK: store i8 2, i8* %P2
@ -75,9 +75,9 @@ define void @test3(i8* %P, i8 %X) {
}
define void @test3a(i8* %P, i8 %X) {
; CHECK: @test3a
; CHECK-LABEL: @test3a
%Y = add i8 %X, 1 ;; Dead, because the only use (the store) is dead.
%P2 = getelementptr i8* %P, i32 2
store i8 %Y, i8* %P2
; CHECK-NEXT: call void @llvm.lifetime.end
@ -95,7 +95,7 @@ define i32 @test4(i8* %P) {
%tmp2 = load i32* @G1
%sub = sub i32 %tmp2, %tmp
ret i32 %sub
; CHECK: @test4
; CHECK-LABEL: @test4
; CHECK-NOT: load
; CHECK: memset.p0i8.i32
; CHECK-NOT: load
@ -123,7 +123,7 @@ define i8 @test6(i8* %p, i8* noalias %a) {
%y = load i8* %a
%z = add i8 %x, %y
ret i8 %z
; CHECK: @test6
; CHECK-LABEL: @test6
; CHECK: load i8* %a
; CHECK-NOT: load
; CHECK: ret
@ -139,7 +139,7 @@ entry:
call void @test7decl(i32* %add.ptr)
%tmp = load i32* %x, align 4
ret i32 %tmp
; CHECK: @test7(
; CHECK-LABEL: @test7(
; CHECK: store i32 0
; CHECK: call void @test7decl
; CHECK: load i32*