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-rw-r--r--test/Transforms/Reassociate/basictest.ll201
1 files changed, 102 insertions, 99 deletions
diff --git a/test/Transforms/Reassociate/basictest.ll b/test/Transforms/Reassociate/basictest.ll
index fda0ca6..d70bfcb 100644
--- a/test/Transforms/Reassociate/basictest.ll
+++ b/test/Transforms/Reassociate/basictest.ll
@@ -1,46 +1,47 @@
-; With reassociation, constant folding can eliminate the 12 and -12 constants.
-;
-; RUN: opt < %s -reassociate -gvn -instcombine -S | FileCheck %s
+; RUN: opt < %s -reassociate -gvn -instcombine -S | FileCheck %s
define i32 @test1(i32 %arg) {
- %tmp1 = sub i32 -12, %arg
- %tmp2 = add i32 %tmp1, 12
- ret i32 %tmp2
-; CHECK-LABEL: @test1(
+ %tmp1 = sub i32 -12, %arg
+ %tmp2 = add i32 %tmp1, 12
+ ret i32 %tmp2
+
+; CHECK-LABEL: @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-LABEL: @test2(
-; CHECK-NEXT: add i32 %reg1111, %reg109
-; CHECK-NEXT: ret i32
+ %reg115 = add i32 %reg109, -30
+ %reg116 = add i32 %reg115, %reg1111
+ %reg117 = add i32 %reg116, 30
+ ret i32 %reg117
+
+; CHECK-LABEL: @test2
+; CHECK-NEXT: %reg117 = add i32 %reg1111, %reg109
+; CHECK-NEXT: ret i32 %reg117
}
-@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]
+@e = external global i32
+@a = external global i32
+@b = external global i32
+@c = external global i32
+@f = external global i32
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-LABEL: @test3(
+ %A = load i32* @a
+ %B = load i32* @b
+ %C = load i32* @c
+ %t1 = add i32 %A, %B
+ %t2 = add i32 %t1, %C
+ %t3 = add i32 %C, %A
+ %t4 = add i32 %t3, %B
+ ; e = (a+b)+c;
+ store i32 %t2, i32* @e
+ ; f = (a+c)+b
+ store i32 %t4, i32* @f
+ ret void
+
+; CHECK-LABEL: @test3
; CHECK: add i32
; CHECK: add i32
; CHECK-NOT: add i32
@@ -48,19 +49,20 @@ define void @test3() {
}
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-LABEL: @test4(
+ %A = load i32* @a
+ %B = load i32* @b
+ %C = load i32* @c
+ %t1 = add i32 %A, %B
+ %t2 = add i32 %t1, %C
+ %t3 = add i32 %C, %A
+ %t4 = add i32 %t3, %B
+ ; e = c+(a+b)
+ store i32 %t2, i32* @e
+ ; f = (c+a)+b
+ store i32 %t4, i32* @f
+ ret void
+
+; CHECK-LABEL: @test4
; CHECK: add i32
; CHECK: add i32
; CHECK-NOT: add i32
@@ -68,19 +70,20 @@ define void @test4() {
}
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-LABEL: @test5(
+ %A = load i32* @a
+ %B = load i32* @b
+ %C = load i32* @c
+ %t1 = add i32 %B, %A
+ %t2 = add i32 %t1, %C
+ %t3 = add i32 %C, %A
+ %t4 = add i32 %t3, %B
+ ; e = c+(b+a)
+ store i32 %t2, i32* @e
+ ; f = (c+a)+b
+ store i32 %t4, i32* @f
+ ret void
+
+; CHECK-LABEL: @test5
; CHECK: add i32
; CHECK: add i32
; CHECK-NOT: add i32
@@ -88,60 +91,61 @@ define void @test5() {
}
define i32 @test6() {
- %tmp.0 = load i32* @a
- %tmp.1 = load i32* @b
- ; (a+b)
- %tmp.2 = add i32 %tmp.0, %tmp.1
- %tmp.4 = load i32* @c
- ; (a+b)+c
- %tmp.5 = add i32 %tmp.2, %tmp.4
- ; (a+c)
- %tmp.8 = add i32 %tmp.0, %tmp.4
- ; (a+c)+b
- %tmp.11 = add i32 %tmp.8, %tmp.1
- ; X ^ X = 0
- %RV = xor i32 %tmp.5, %tmp.11
- ret i32 %RV
-; CHECK-LABEL: @test6(
+ %tmp.0 = load i32* @a
+ %tmp.1 = load i32* @b
+ ; (a+b)
+ %tmp.2 = add i32 %tmp.0, %tmp.1
+ %tmp.4 = load i32* @c
+ ; (a+b)+c
+ %tmp.5 = add i32 %tmp.2, %tmp.4
+ ; (a+c)
+ %tmp.8 = add i32 %tmp.0, %tmp.4
+ ; (a+c)+b
+ %tmp.11 = add i32 %tmp.8, %tmp.1
+ ; X ^ X = 0
+ %RV = xor i32 %tmp.5, %tmp.11
+ ret i32 %RV
+
+; CHECK-LABEL: @test6
; CHECK: ret i32 0
}
; This should be one add and two multiplies.
define i32 @test7(i32 %A, i32 %B, i32 %C) {
- ; A*A*B + A*C*A
- %aa = mul i32 %A, %A
- %aab = mul i32 %aa, %B
- %ac = mul i32 %A, %C
- %aac = mul i32 %ac, %A
- %r = add i32 %aab, %aac
- ret i32 %r
-; CHECK-LABEL: @test7(
+ ; A*A*B + A*C*A
+ %aa = mul i32 %A, %A
+ %aab = mul i32 %aa, %B
+ %ac = mul i32 %A, %C
+ %aac = mul i32 %ac, %A
+ %r = add i32 %aab, %aac
+ ret i32 %r
+
+; CHECK-LABEL: @test7
; CHECK-NEXT: add i32 %C, %B
; CHECK-NEXT: mul i32
; CHECK-NEXT: mul i32
; CHECK-NEXT: ret i32
}
-
define i32 @test8(i32 %X, i32 %Y, i32 %Z) {
- %A = sub i32 0, %X
- %B = mul i32 %A, %Y
- ; (-X)*Y + Z -> Z-X*Y
- %C = add i32 %B, %Z
- ret i32 %C
-; CHECK-LABEL: @test8(
+ %A = sub i32 0, %X
+ %B = mul i32 %A, %Y
+ ; (-X)*Y + Z -> Z-X*Y
+ %C = add i32 %B, %Z
+ ret i32 %C
+
+; CHECK-LABEL: @test8
; CHECK-NEXT: %A = mul i32 %Y, %X
; CHECK-NEXT: %C = sub i32 %Z, %A
; CHECK-NEXT: ret i32 %C
}
-
; PR5458
define i32 @test9(i32 %X) {
%Y = mul i32 %X, 47
%Z = add i32 %Y, %Y
ret i32 %Z
-; CHECK-LABEL: @test9(
+; CHECK-LABEL: @test9
; CHECK-NEXT: mul i32 %X, 94
; CHECK-NEXT: ret i32
}
@@ -150,7 +154,7 @@ define i32 @test10(i32 %X) {
%Y = add i32 %X ,%X
%Z = add i32 %Y, %X
ret i32 %Z
-; CHECK-LABEL: @test10(
+; CHECK-LABEL: @test10
; CHECK-NEXT: mul i32 %X, 3
; CHECK-NEXT: ret i32
}
@@ -160,7 +164,7 @@ define i32 @test11(i32 %W) {
%Y = add i32 %X ,%X
%Z = add i32 %Y, %X
ret i32 %Z
-; CHECK-LABEL: @test11(
+; CHECK-LABEL: @test11
; CHECK-NEXT: mul i32 %W, 381
; CHECK-NEXT: ret i32
}
@@ -169,11 +173,10 @@ define i32 @test12(i32 %X) {
%A = sub i32 1, %X
%B = sub i32 2, %X
%C = sub i32 3, %X
-
%Y = add i32 %A ,%B
%Z = add i32 %Y, %C
ret i32 %Z
-; CHECK-LABEL: @test12(
+; CHECK-LABEL: @test12
; CHECK-NEXT: mul i32 %X, -3
; CHECK-NEXT: add i32{{.*}}, 6
; CHECK-NEXT: ret i32
@@ -185,7 +188,7 @@ define i32 @test13(i32 %X1, i32 %X2, i32 %X3) {
%C = mul i32 %X1, %X3 ; X1*X3
%D = add i32 %B, %C ; -X1*X2 + X1*X3 -> X1*(X3-X2)
ret i32 %D
-; CHECK-LABEL: @test13(
+; CHECK-LABEL: @test13
; CHECK-NEXT: sub i32 %X3, %X2
; CHECK-NEXT: mul i32 {{.*}}, %X1
; CHECK-NEXT: ret i32
@@ -197,9 +200,10 @@ define i32 @test14(i32 %X1, i32 %X2) {
%C = mul i32 %X2, -47 ; X2*-47
%D = add i32 %B, %C ; X1*47 + X2*-47 -> 47*(X1-X2)
ret i32 %D
-; CHECK-LABEL: @test14(
+
+; CHECK-LABEL: @test14
; CHECK-NEXT: sub i32 %X1, %X2
-; CHECK-NEXT: mul i32 {{.*}}, 47
+; CHECK-NEXT: mul i32 %tmp, 47
; CHECK-NEXT: ret i32
}
@@ -210,7 +214,6 @@ define i32 @test15(i32 %X1, i32 %X2, i32 %X3) {
%C = and i1 %A, %B
%D = select i1 %C, i32 %X1, i32 0
ret i32 %D
-; CHECK-LABEL: @test15(
+; CHECK-LABEL: @test15
; CHECK: and i1 %A, %B
}
-
generated by cgit v1.1 at 2024-05-19 04:26:13 +0000