filecheckize

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92352 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-12-31 08:29:56 +00:00
parent dbe85bffd7
commit e1f5460f78
4 changed files with 101 additions and 92 deletions

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@ -1,10 +1,107 @@
; With reassociation, constant folding can eliminate the 12 and -12 constants.
;
; RUN: opt < %s -reassociate -constprop -instcombine -die -S | not grep add
; RUN: opt < %s -reassociate -gvn -instcombine -S | FileCheck %s
define i32 @test(i32 %arg) {
%tmp1 = sub i32 -12, %arg ; <i32> [#uses=1]
%tmp2 = add i32 %tmp1, 12 ; <i32> [#uses=1]
define i32 @test1(i32 %arg) {
%tmp1 = sub i32 -12, %arg
%tmp2 = add i32 %tmp1, 12
ret i32 %tmp2
; CHECK: @test1
; CHECK-NEXT: sub i32 0, %arg
; CHECK-NEXT: ret i32
}
define i32 @test2(i32 %reg109, i32 %reg1111) {
%reg115 = add i32 %reg109, -30 ; <i32> [#uses=1]
%reg116 = add i32 %reg115, %reg1111 ; <i32> [#uses=1]
%reg117 = add i32 %reg116, 30 ; <i32> [#uses=1]
ret i32 %reg117
; CHECK: @test2
; CHECK-NEXT: add i32 %reg1111, %reg109
; CHECK-NEXT: ret i32
}
@e = external global i32 ; <i32*> [#uses=3]
@a = external global i32 ; <i32*> [#uses=3]
@b = external global i32 ; <i32*> [#uses=3]
@c = external global i32 ; <i32*> [#uses=3]
@f = external global i32 ; <i32*> [#uses=3]
define void @test3() {
%A = load i32* @a ; <i32> [#uses=2]
%B = load i32* @b ; <i32> [#uses=2]
%C = load i32* @c ; <i32> [#uses=2]
%t1 = add i32 %A, %B ; <i32> [#uses=1]
%t2 = add i32 %t1, %C ; <i32> [#uses=1]
%t3 = add i32 %C, %A ; <i32> [#uses=1]
%t4 = add i32 %t3, %B ; <i32> [#uses=1]
; e = (a+b)+c;
store i32 %t2, i32* @e
; f = (a+c)+b
store i32 %t4, i32* @f
ret void
; CHECK: @test3
; CHECK: add i32
; CHECK: add i32
; CHECK-NOT: add i32
; CHECK: ret void
}
define void @test4() {
%A = load i32* @a ; <i32> [#uses=2]
%B = load i32* @b ; <i32> [#uses=2]
%C = load i32* @c ; <i32> [#uses=2]
%t1 = add i32 %A, %B ; <i32> [#uses=1]
%t2 = add i32 %t1, %C ; <i32> [#uses=1]
%t3 = add i32 %C, %A ; <i32> [#uses=1]
%t4 = add i32 %t3, %B ; <i32> [#uses=1]
; e = c+(a+b)
store i32 %t2, i32* @e
; f = (c+a)+b
store i32 %t4, i32* @f
ret void
; CHECK: @test4
; CHECK: add i32
; CHECK: add i32
; CHECK-NOT: add i32
; CHECK: ret void
}
define void @test5() {
%A = load i32* @a ; <i32> [#uses=2]
%B = load i32* @b ; <i32> [#uses=2]
%C = load i32* @c ; <i32> [#uses=2]
%t1 = add i32 %B, %A ; <i32> [#uses=1]
%t2 = add i32 %t1, %C ; <i32> [#uses=1]
%t3 = add i32 %C, %A ; <i32> [#uses=1]
%t4 = add i32 %t3, %B ; <i32> [#uses=1]
; e = c+(b+a)
store i32 %t2, i32* @e
; f = (c+a)+b
store i32 %t4, i32* @f
ret void
; CHECK: @test5
; CHECK: add i32
; CHECK: add i32
; CHECK-NOT: add i32
; CHECK: ret void
}
define i32 @test6() {
%tmp.0 = load i32* @a ; <i32> [#uses=2]
%tmp.1 = load i32* @b ; <i32> [#uses=2]
; (a+b)
%tmp.2 = add i32 %tmp.0, %tmp.1 ; <i32> [#uses=1]
%tmp.4 = load i32* @c ; <i32> [#uses=2]
; (a+b)+c
%tmp.5 = add i32 %tmp.2, %tmp.4 ; <i32> [#uses=1]
; (a+c)
%tmp.8 = add i32 %tmp.0, %tmp.4 ; <i32> [#uses=1]
; (a+c)+b
%tmp.11 = add i32 %tmp.8, %tmp.1 ; <i32> [#uses=1]
; X ^ X = 0
%RV = xor i32 %tmp.5, %tmp.11 ; <i32> [#uses=1]
ret i32 %RV
; CHECK: @test6
; CHECK: ret i32 0
}

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@ -1,11 +0,0 @@
; With reassociation, constant folding can eliminate the +/- 30 constants.
;
; RUN: opt < %s -reassociate -constprop -instcombine -die -S | not grep 30
define i32 @test(i32 %reg109, i32 %reg1111) {
%reg115 = add i32 %reg109, -30 ; <i32> [#uses=1]
%reg116 = add i32 %reg115, %reg1111 ; <i32> [#uses=1]
%reg117 = add i32 %reg116, 30 ; <i32> [#uses=1]
ret i32 %reg117
}

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@ -1,54 +0,0 @@
; RUN: opt < %s -reassociate -gvn -S | grep add | count 6
; Each of these functions should turn into two adds each.
@e = external global i32 ; <i32*> [#uses=3]
@a = external global i32 ; <i32*> [#uses=3]
@b = external global i32 ; <i32*> [#uses=3]
@c = external global i32 ; <i32*> [#uses=3]
@f = external global i32 ; <i32*> [#uses=3]
define void @test1() {
%A = load i32* @a ; <i32> [#uses=2]
%B = load i32* @b ; <i32> [#uses=2]
%C = load i32* @c ; <i32> [#uses=2]
%t1 = add i32 %A, %B ; <i32> [#uses=1]
%t2 = add i32 %t1, %C ; <i32> [#uses=1]
%t3 = add i32 %C, %A ; <i32> [#uses=1]
%t4 = add i32 %t3, %B ; <i32> [#uses=1]
; e = (a+b)+c;
store i32 %t2, i32* @e
; f = (a+c)+b
store i32 %t4, i32* @f
ret void
}
define void @test2() {
%A = load i32* @a ; <i32> [#uses=2]
%B = load i32* @b ; <i32> [#uses=2]
%C = load i32* @c ; <i32> [#uses=2]
%t1 = add i32 %A, %B ; <i32> [#uses=1]
%t2 = add i32 %t1, %C ; <i32> [#uses=1]
%t3 = add i32 %C, %A ; <i32> [#uses=1]
%t4 = add i32 %t3, %B ; <i32> [#uses=1]
; e = c+(a+b)
store i32 %t2, i32* @e
; f = (c+a)+b
store i32 %t4, i32* @f
ret void
}
define void @test3() {
%A = load i32* @a ; <i32> [#uses=2]
%B = load i32* @b ; <i32> [#uses=2]
%C = load i32* @c ; <i32> [#uses=2]
%t1 = add i32 %B, %A ; <i32> [#uses=1]
%t2 = add i32 %t1, %C ; <i32> [#uses=1]
%t3 = add i32 %C, %A ; <i32> [#uses=1]
%t4 = add i32 %t3, %B ; <i32> [#uses=1]
; e = c+(b+a)
store i32 %t2, i32* @e
; f = (c+a)+b
store i32 %t4, i32* @f
ret void
}

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@ -1,23 +0,0 @@
; RUN: opt < %s -reassociate -gvn -instcombine -S | not grep add
@a = weak global i32 0 ; <i32*> [#uses=1]
@b = weak global i32 0 ; <i32*> [#uses=1]
@c = weak global i32 0 ; <i32*> [#uses=1]
@d = weak global i32 0 ; <i32*> [#uses=0]
define i32 @foo() {
%tmp.0 = load i32* @a ; <i32> [#uses=2]
%tmp.1 = load i32* @b ; <i32> [#uses=2]
; (a+b)
%tmp.2 = add i32 %tmp.0, %tmp.1 ; <i32> [#uses=1]
%tmp.4 = load i32* @c ; <i32> [#uses=2]
; (a+b)+c
%tmp.5 = add i32 %tmp.2, %tmp.4 ; <i32> [#uses=1]
; (a+c)
%tmp.8 = add i32 %tmp.0, %tmp.4 ; <i32> [#uses=1]
; (a+c)+b
%tmp.11 = add i32 %tmp.8, %tmp.1 ; <i32> [#uses=1]
; X ^ X = 0
%RV = xor i32 %tmp.5, %tmp.11 ; <i32> [#uses=1]
ret i32 %RV
}