[llvm] r336211 - [Reassociate] regenerate checks; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 3 09:01:41 PDT 2018
Author: spatel
Date: Tue Jul 3 09:01:41 2018
New Revision: 336211
URL: http://llvm.org/viewvc/llvm-project?rev=336211&view=rev
Log:
[Reassociate] regenerate checks; NFC
Modified:
llvm/trunk/test/Transforms/Reassociate/basictest.ll
Modified: llvm/trunk/test/Transforms/Reassociate/basictest.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/Reassociate/basictest.ll?rev=336211&r1=336210&r2=336211&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/Reassociate/basictest.ll (original)
+++ llvm/trunk/test/Transforms/Reassociate/basictest.ll Tue Jul 3 09:01:41 2018
@@ -1,25 +1,26 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -reassociate -gvn -instcombine -S | FileCheck %s
; RUN: opt < %s -passes='reassociate,gvn,instcombine' -S | FileCheck %s
define i32 @test1(i32 %arg) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: [[ARG_NEG:%.*]] = sub i32 0, [[ARG:%.*]]
+; CHECK-NEXT: ret i32 [[ARG_NEG]]
+;
%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) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: [[REG117:%.*]] = add i32 [[REG1111:%.*]], [[REG109:%.*]]
+; CHECK-NEXT: ret i32 [[REG117]]
+;
%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
@@ -29,6 +30,16 @@ define i32 @test2(i32 %reg109, i32 %reg1
@f = external global i32
define void @test3() {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT: [[A:%.*]] = load i32, i32* @a, align 4
+; CHECK-NEXT: [[B:%.*]] = load i32, i32* @b, align 4
+; CHECK-NEXT: [[C:%.*]] = load i32, i32* @c, align 4
+; CHECK-NEXT: [[T1:%.*]] = add i32 [[B]], [[A]]
+; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[C]]
+; CHECK-NEXT: store i32 [[T2]], i32* @e, align 4
+; CHECK-NEXT: store i32 [[T2]], i32* @f, align 4
+; CHECK-NEXT: ret void
+;
%A = load i32, i32* @a
%B = load i32, i32* @b
%C = load i32, i32* @c
@@ -41,15 +52,19 @@ define void @test3() {
; f = (a+c)+b
store i32 %t4, i32* @f
ret void
-
-; CHECK-LABEL: @test3
-; CHECK: add i32
-; CHECK: add i32
-; CHECK-NOT: add i32
-; CHECK: ret void
}
define void @test4() {
+; CHECK-LABEL: @test4(
+; CHECK-NEXT: [[A:%.*]] = load i32, i32* @a, align 4
+; CHECK-NEXT: [[B:%.*]] = load i32, i32* @b, align 4
+; CHECK-NEXT: [[C:%.*]] = load i32, i32* @c, align 4
+; CHECK-NEXT: [[T1:%.*]] = add i32 [[B]], [[A]]
+; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[C]]
+; CHECK-NEXT: store i32 [[T2]], i32* @e, align 4
+; CHECK-NEXT: store i32 [[T2]], i32* @f, align 4
+; CHECK-NEXT: ret void
+;
%A = load i32, i32* @a
%B = load i32, i32* @b
%C = load i32, i32* @c
@@ -62,15 +77,19 @@ define void @test4() {
; f = (c+a)+b
store i32 %t4, i32* @f
ret void
-
-; CHECK-LABEL: @test4
-; CHECK: add i32
-; CHECK: add i32
-; CHECK-NOT: add i32
-; CHECK: ret void
}
define void @test5() {
+; CHECK-LABEL: @test5(
+; CHECK-NEXT: [[A:%.*]] = load i32, i32* @a, align 4
+; CHECK-NEXT: [[B:%.*]] = load i32, i32* @b, align 4
+; CHECK-NEXT: [[C:%.*]] = load i32, i32* @c, align 4
+; CHECK-NEXT: [[T1:%.*]] = add i32 [[B]], [[A]]
+; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[C]]
+; CHECK-NEXT: store i32 [[T2]], i32* @e, align 4
+; CHECK-NEXT: store i32 [[T2]], i32* @f, align 4
+; CHECK-NEXT: ret void
+;
%A = load i32, i32* @a
%B = load i32, i32* @b
%C = load i32, i32* @c
@@ -83,15 +102,12 @@ define void @test5() {
; f = (c+a)+b
store i32 %t4, i32* @f
ret void
-
-; CHECK-LABEL: @test5
-; CHECK: add i32
-; CHECK: add i32
-; CHECK-NOT: add i32
-; CHECK: ret void
}
define i32 @test6() {
+; CHECK-LABEL: @test6(
+; CHECK-NEXT: ret i32 0
+;
%tmp.0 = load i32, i32* @a
%tmp.1 = load i32, i32* @b
; (a+b)
@@ -106,73 +122,82 @@ define i32 @test6() {
; 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.
+; A*A*B + A*C*A
+
define i32 @test7(i32 %A, i32 %B, i32 %C) {
- ; A*A*B + A*C*A
+; CHECK-LABEL: @test7(
+; CHECK-NEXT: [[REASS_ADD1:%.*]] = add i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT: [[REASS_MUL2:%.*]] = mul i32 [[A:%.*]], [[A]]
+; CHECK-NEXT: [[REASS_MUL:%.*]] = mul i32 [[REASS_MUL2]], [[REASS_ADD1]]
+; CHECK-NEXT: ret i32 [[REASS_MUL]]
+;
%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) {
+; CHECK-LABEL: @test8(
+; CHECK-NEXT: [[A:%.*]] = mul i32 [[Y:%.*]], [[X:%.*]]
+; CHECK-NEXT: [[C:%.*]] = sub i32 [[Z:%.*]], [[A]]
+; CHECK-NEXT: ret i32 [[C]]
+;
%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) {
+; CHECK-LABEL: @test9(
+; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[X:%.*]], 94
+; CHECK-NEXT: ret i32 [[FACTOR]]
+;
%Y = mul i32 %X, 47
%Z = add i32 %Y, %Y
ret i32 %Z
-; CHECK-LABEL: @test9
-; CHECK-NEXT: mul i32 %X, 94
-; CHECK-NEXT: ret i32
}
define i32 @test10(i32 %X) {
+; CHECK-LABEL: @test10(
+; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[X:%.*]], 3
+; CHECK-NEXT: ret i32 [[FACTOR]]
+;
%Y = add i32 %X ,%X
%Z = add i32 %Y, %X
ret i32 %Z
-; CHECK-LABEL: @test10
-; CHECK-NEXT: mul i32 %X, 3
-; CHECK-NEXT: ret i32
}
define i32 @test11(i32 %W) {
+; CHECK-LABEL: @test11(
+; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[W:%.*]], 381
+; CHECK-NEXT: ret i32 [[FACTOR]]
+;
%X = mul i32 %W, 127
%Y = add i32 %X ,%X
%Z = add i32 %Y, %X
ret i32 %Z
-; CHECK-LABEL: @test11
-; CHECK-NEXT: mul i32 %W, 381
-; CHECK-NEXT: ret i32
}
declare void @mumble(i32)
define i32 @test12(i32 %X) {
+; CHECK-LABEL: @test12(
+; CHECK-NEXT: [[X_NEG:%.*]] = sub i32 0, [[X:%.*]]
+; CHECK-NEXT: call void @mumble(i32 [[X_NEG]])
+; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[X]], -3
+; CHECK-NEXT: [[Z:%.*]] = add i32 [[FACTOR]], 6
+; CHECK-NEXT: ret i32 [[Z]]
+;
%X.neg = sub nsw nuw i32 0, %X
call void @mumble(i32 %X.neg)
%A = sub i32 1, %X
@@ -181,75 +206,87 @@ define i32 @test12(i32 %X) {
%Y = add i32 %A ,%B
%Z = add i32 %Y, %C
ret i32 %Z
-; CHECK-LABEL: @test12
-; CHECK: %[[mul:.*]] = mul i32 %X, -3
-; CHECK-NEXT: add i32 %[[mul]], 6
-; CHECK-NEXT: ret i32
}
define i32 @test13(i32 %X1, i32 %X2, i32 %X3) {
+; CHECK-LABEL: @test13(
+; CHECK-NEXT: [[REASS_ADD:%.*]] = sub i32 [[X3:%.*]], [[X2:%.*]]
+; CHECK-NEXT: [[REASS_MUL:%.*]] = mul i32 [[REASS_ADD]], [[X1:%.*]]
+; CHECK-NEXT: ret i32 [[REASS_MUL]]
+;
%A = sub i32 0, %X1
%B = mul i32 %A, %X2 ; -X1*X2
%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-NEXT: sub i32 %X3, %X2
-; CHECK-NEXT: mul i32 {{.*}}, %X1
-; CHECK-NEXT: ret i32
}
; PR5359
+
define i32 @test14(i32 %X1, i32 %X2) {
+; CHECK-LABEL: @test14(
+; CHECK-NEXT: [[REASS_ADD:%.*]] = sub i32 [[X1:%.*]], [[X2:%.*]]
+; CHECK-NEXT: [[REASS_MUL:%.*]] = mul i32 [[REASS_ADD]], 47
+; CHECK-NEXT: ret i32 [[REASS_MUL]]
+;
%B = mul i32 %X1, 47 ; X1*47
%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-NEXT: %[[SUB:.*]] = sub i32 %X1, %X2
-; CHECK-NEXT: mul i32 %[[SUB]], 47
-; CHECK-NEXT: ret i32
}
; Do not reassociate expressions of type i1
+
define i32 @test15(i32 %X1, i32 %X2, i32 %X3) {
+; CHECK-LABEL: @test15(
+; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X1:%.*]], 0
+; CHECK-NEXT: [[B:%.*]] = icmp slt i32 [[X2:%.*]], [[X3:%.*]]
+; CHECK-NEXT: [[C:%.*]] = and i1 [[A]], [[B]]
+; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[X1]], i32 0
+; CHECK-NEXT: ret i32 [[D]]
+;
%A = icmp ne i32 %X1, 0
%B = icmp slt i32 %X2, %X3
%C = and i1 %A, %B
%D = select i1 %C, i32 %X1, i32 0
ret i32 %D
-; CHECK-LABEL: @test15
-; CHECK: and i1 %A, %B
}
; PR30256 - previously this asserted.
-; CHECK-LABEL: @test16
-; CHECK: %[[FACTOR:.*]] = mul i64 %a, -4
-; CHECK-NEXT: %[[RES:.*]] = add i64 %[[FACTOR]], %b
-; CHECK-NEXT: ret i64 %[[RES]]
+
define i64 @test16(i1 %cmp, i64 %a, i64 %b) {
+; CHECK-LABEL: @test16(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: br i1 [[CMP:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
+; CHECK: if.then:
+; CHECK-NEXT: [[FACTOR:%.*]] = mul i64 [[A:%.*]], -4
+; CHECK-NEXT: [[ADD2:%.*]] = add i64 [[FACTOR]], [[B:%.*]]
+; CHECK-NEXT: ret i64 [[ADD2]]
+; CHECK: if.end:
+; CHECK-NEXT: ret i64 0
+;
entry:
%shl = shl i64 %a, 1
%shl.neg = sub i64 0, %shl
br i1 %cmp, label %if.then, label %if.end
-if.then: ; preds = %entry
+if.then:
%add1 = add i64 %shl.neg, %shl.neg
%add2 = add i64 %add1, %b
ret i64 %add2
-if.end: ; preds = %entry
+if.end:
ret i64 0
}
-; CHECK-LABEL: @test17
-; CHECK: %[[A:.*]] = mul i32 %X4, %X3
-; CHECK-NEXT: %[[C:.*]] = mul i32 %[[A]], %X1
-; CHECK-NEXT: %[[D:.*]] = mul i32 %[[A]], %X2
-; CHECK-NEXT: %[[E:.*]] = xor i32 %[[C]], %[[D]]
-; CHECK-NEXT: ret i32 %[[E]]
define i32 @test17(i32 %X1, i32 %X2, i32 %X3, i32 %X4) {
+; CHECK-LABEL: @test17(
+; CHECK-NEXT: [[A:%.*]] = mul i32 [[X4:%.*]], [[X3:%.*]]
+; CHECK-NEXT: [[C:%.*]] = mul i32 [[A]], [[X1:%.*]]
+; CHECK-NEXT: [[D:%.*]] = mul i32 [[A]], [[X2:%.*]]
+; CHECK-NEXT: [[E:%.*]] = xor i32 [[C]], [[D]]
+; CHECK-NEXT: ret i32 [[E]]
+;
%A = mul i32 %X3, %X1
%B = mul i32 %X3, %X2
%C = mul i32 %A, %X4
@@ -257,3 +294,4 @@ define i32 @test17(i32 %X1, i32 %X2, i32
%E = xor i32 %C, %D
ret i32 %E
}
+
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