[llvm] r273173 - [InstCombine] update to use FileCheck with autogenerated exact checking
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 20 10:56:13 PDT 2016
Author: spatel
Date: Mon Jun 20 12:56:13 2016
New Revision: 273173
URL: http://llvm.org/viewvc/llvm-project?rev=273173&view=rev
Log:
[InstCombine] update to use FileCheck with autogenerated exact checking
Modified:
llvm/trunk/test/Transforms/InstCombine/and.ll
Modified: llvm/trunk/test/Transforms/InstCombine/and.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/and.ll?rev=273173&r1=273172&r2=273173&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/and.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/and.ll Mon Jun 20 12:56:13 2016
@@ -1,255 +1,381 @@
-; This test makes sure that these instructions are properly eliminated.
-;
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -instcombine -S | FileCheck %s
-; RUN: opt < %s -instcombine -S | not grep and
+; There should be no 'and' instructions left in any test.
define i32 @test1(i32 %A) {
- ; zero result
- %B = and i32 %A, 0 ; <i32> [#uses=1]
- ret i32 %B
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: ret i32 0
+;
+ %B = and i32 %A, 0
+ ret i32 %B
}
define i32 @test2(i32 %A) {
- ; noop
- %B = and i32 %A, -1 ; <i32> [#uses=1]
- ret i32 %B
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: ret i32 %A
+;
+ %B = and i32 %A, -1
+ ret i32 %B
}
define i1 @test3(i1 %A) {
- ; always = false
- %B = and i1 %A, false ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test3(
+; CHECK-NEXT: ret i1 false
+;
+ %B = and i1 %A, false
+ ret i1 %B
}
define i1 @test4(i1 %A) {
- ; noop
- %B = and i1 %A, true ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test4(
+; CHECK-NEXT: ret i1 %A
+;
+ %B = and i1 %A, true
+ ret i1 %B
}
define i32 @test5(i32 %A) {
- %B = and i32 %A, %A ; <i32> [#uses=1]
- ret i32 %B
+; CHECK-LABEL: @test5(
+; CHECK-NEXT: ret i32 %A
+;
+ %B = and i32 %A, %A
+ ret i32 %B
}
define i1 @test6(i1 %A) {
- %B = and i1 %A, %A ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test6(
+; CHECK-NEXT: ret i1 %A
+;
+ %B = and i1 %A, %A
+ ret i1 %B
}
; A & ~A == 0
define i32 @test7(i32 %A) {
- %NotA = xor i32 %A, -1 ; <i32> [#uses=1]
- %B = and i32 %A, %NotA ; <i32> [#uses=1]
- ret i32 %B
+; CHECK-LABEL: @test7(
+; CHECK-NEXT: ret i32 0
+;
+ %NotA = xor i32 %A, -1
+ %B = and i32 %A, %NotA
+ ret i32 %B
}
; AND associates
define i8 @test8(i8 %A) {
- %B = and i8 %A, 3 ; <i8> [#uses=1]
- %C = and i8 %B, 4 ; <i8> [#uses=1]
- ret i8 %C
+; CHECK-LABEL: @test8(
+; CHECK-NEXT: ret i8 0
+;
+ %B = and i8 %A, 3
+ %C = and i8 %B, 4
+ ret i8 %C
}
+; Test of sign bit, convert to setle %A, 0
define i1 @test9(i32 %A) {
- ; Test of sign bit, convert to setle %A, 0
- %B = and i32 %A, -2147483648 ; <i32> [#uses=1]
- %C = icmp ne i32 %B, 0 ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test9(
+; CHECK-NEXT: [[C:%.*]] = icmp slt i32 %A, 0
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %B = and i32 %A, -2147483648
+ %C = icmp ne i32 %B, 0
+ ret i1 %C
}
+; Test of sign bit, convert to setle %A, 0
define i1 @test9a(i32 %A) {
- ; Test of sign bit, convert to setle %A, 0
- %B = and i32 %A, -2147483648 ; <i32> [#uses=1]
- %C = icmp ne i32 %B, 0 ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test9a(
+; CHECK-NEXT: [[C:%.*]] = icmp slt i32 %A, 0
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %B = and i32 %A, -2147483648
+ %C = icmp ne i32 %B, 0
+ ret i1 %C
}
define i32 @test10(i32 %A) {
- %B = and i32 %A, 12 ; <i32> [#uses=1]
- %C = xor i32 %B, 15 ; <i32> [#uses=1]
- ; (X ^ C1) & C2 --> (X & C2) ^ (C1&C2)
- %D = and i32 %C, 1 ; <i32> [#uses=1]
- ret i32 %D
+; CHECK-LABEL: @test10(
+; CHECK-NEXT: ret i32 1
+;
+ %B = and i32 %A, 12
+ %C = xor i32 %B, 15
+ ; (X ^ C1) & C2 --> (X & C2) ^ (C1&C2)
+ %D = and i32 %C, 1
+ ret i32 %D
}
define i32 @test11(i32 %A, i32* %P) {
- %B = or i32 %A, 3 ; <i32> [#uses=1]
- %C = xor i32 %B, 12 ; <i32> [#uses=2]
- ; additional use of C
- store i32 %C, i32* %P
- ; %C = and uint %B, 3 --> 3
- %D = and i32 %C, 3 ; <i32> [#uses=1]
- ret i32 %D
+; CHECK-LABEL: @test11(
+; CHECK-NEXT: [[B:%.*]] = or i32 %A, 3
+; CHECK-NEXT: [[C:%.*]] = xor i32 [[B]], 12
+; CHECK-NEXT: store i32 [[C]], i32* %P, align 4
+; CHECK-NEXT: ret i32 3
+;
+ %B = or i32 %A, 3
+ %C = xor i32 %B, 12
+ ; additional use of C
+ store i32 %C, i32* %P
+ ; %C = and uint %B, 3 --> 3
+ %D = and i32 %C, 3
+ ret i32 %D
}
define i1 @test12(i32 %A, i32 %B) {
- %C1 = icmp ult i32 %A, %B ; <i1> [#uses=1]
- %C2 = icmp ule i32 %A, %B ; <i1> [#uses=1]
- ; (A < B) & (A <= B) === (A < B)
- %D = and i1 %C1, %C2 ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test12(
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 %A, %B
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %C1 = icmp ult i32 %A, %B
+ %C2 = icmp ule i32 %A, %B
+ ; (A < B) & (A <= B) === (A < B)
+ %D = and i1 %C1, %C2
+ ret i1 %D
}
define i1 @test13(i32 %A, i32 %B) {
- %C1 = icmp ult i32 %A, %B ; <i1> [#uses=1]
- %C2 = icmp ugt i32 %A, %B ; <i1> [#uses=1]
- ; (A < B) & (A > B) === false
- %D = and i1 %C1, %C2 ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test13(
+; CHECK-NEXT: ret i1 false
+;
+ %C1 = icmp ult i32 %A, %B
+ %C2 = icmp ugt i32 %A, %B
+ ; (A < B) & (A > B) === false
+ %D = and i1 %C1, %C2
+ ret i1 %D
}
define i1 @test14(i8 %A) {
- %B = and i8 %A, -128 ; <i8> [#uses=1]
- %C = icmp ne i8 %B, 0 ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test14(
+; CHECK-NEXT: [[C:%.*]] = icmp slt i8 %A, 0
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %B = and i8 %A, -128
+ %C = icmp ne i8 %B, 0
+ ret i1 %C
}
define i8 @test15(i8 %A) {
- %B = lshr i8 %A, 7 ; <i8> [#uses=1]
- ; Always equals zero
- %C = and i8 %B, 2 ; <i8> [#uses=1]
- ret i8 %C
+; CHECK-LABEL: @test15(
+; CHECK-NEXT: ret i8 0
+;
+ %B = lshr i8 %A, 7
+ ; Always equals zero
+ %C = and i8 %B, 2
+ ret i8 %C
}
define i8 @test16(i8 %A) {
- %B = shl i8 %A, 2 ; <i8> [#uses=1]
- %C = and i8 %B, 3 ; <i8> [#uses=1]
- ret i8 %C
+; CHECK-LABEL: @test16(
+; CHECK-NEXT: ret i8 0
+;
+ %B = shl i8 %A, 2
+ %C = and i8 %B, 3
+ ret i8 %C
}
;; ~(~X & Y) --> (X | ~Y)
define i8 @test17(i8 %X, i8 %Y) {
- %B = xor i8 %X, -1 ; <i8> [#uses=1]
- %C = and i8 %B, %Y ; <i8> [#uses=1]
- %D = xor i8 %C, -1 ; <i8> [#uses=1]
- ret i8 %D
+; CHECK-LABEL: @test17(
+; CHECK-NEXT: [[Y_NOT:%.*]] = xor i8 %Y, -1
+; CHECK-NEXT: [[D:%.*]] = or i8 %X, [[Y_NOT]]
+; CHECK-NEXT: ret i8 [[D]]
+;
+ %B = xor i8 %X, -1
+ %C = and i8 %B, %Y
+ %D = xor i8 %C, -1
+ ret i8 %D
}
define i1 @test18(i32 %A) {
- %B = and i32 %A, -128 ; <i32> [#uses=1]
- ;; C >= 128
- %C = icmp ne i32 %B, 0 ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test18(
+; CHECK-NEXT: [[C:%.*]] = icmp ugt i32 %A, 127
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %B = and i32 %A, -128
+ ;; C >= 128
+ %C = icmp ne i32 %B, 0
+ ret i1 %C
}
define i1 @test18a(i8 %A) {
- %B = and i8 %A, -2 ; <i8> [#uses=1]
- %C = icmp eq i8 %B, 0 ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test18a(
+; CHECK-NEXT: [[C:%.*]] = icmp ult i8 %A, 2
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %B = and i8 %A, -2
+ %C = icmp eq i8 %B, 0
+ ret i1 %C
}
define i32 @test19(i32 %A) {
- %B = shl i32 %A, 3 ; <i32> [#uses=1]
- ;; Clearing a zero bit
- %C = and i32 %B, -2 ; <i32> [#uses=1]
- ret i32 %C
+; CHECK-LABEL: @test19(
+; CHECK-NEXT: [[B:%.*]] = shl i32 %A, 3
+; CHECK-NEXT: ret i32 [[B]]
+;
+ %B = shl i32 %A, 3
+ ;; Clearing a zero bit
+ %C = and i32 %B, -2
+ ret i32 %C
}
define i8 @test20(i8 %A) {
- %C = lshr i8 %A, 7 ; <i8> [#uses=1]
- ;; Unneeded
- %D = and i8 %C, 1 ; <i8> [#uses=1]
- ret i8 %D
+; CHECK-LABEL: @test20(
+; CHECK-NEXT: [[C:%.*]] = lshr i8 %A, 7
+; CHECK-NEXT: ret i8 [[C]]
+;
+ %C = lshr i8 %A, 7
+ ;; Unneeded
+ %D = and i8 %C, 1
+ ret i8 %D
}
define i1 @test22(i32 %A) {
- %B = icmp eq i32 %A, 1 ; <i1> [#uses=1]
- %C = icmp sge i32 %A, 3 ; <i1> [#uses=1]
- ;; false
- %D = and i1 %B, %C ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test22(
+; CHECK-NEXT: ret i1 false
+;
+ %B = icmp eq i32 %A, 1
+ %C = icmp sge i32 %A, 3
+ ;; false
+ %D = and i1 %B, %C
+ ret i1 %D
}
define i1 @test23(i32 %A) {
- %B = icmp sgt i32 %A, 1 ; <i1> [#uses=1]
- %C = icmp sle i32 %A, 2 ; <i1> [#uses=1]
- ;; A == 2
- %D = and i1 %B, %C ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test23(
+; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 %A, 2
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %B = icmp sgt i32 %A, 1
+ %C = icmp sle i32 %A, 2
+ ;; A == 2
+ %D = and i1 %B, %C
+ ret i1 %D
}
define i1 @test24(i32 %A) {
- %B = icmp sgt i32 %A, 1 ; <i1> [#uses=1]
- %C = icmp ne i32 %A, 2 ; <i1> [#uses=1]
- ;; A > 2
- %D = and i1 %B, %C ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test24(
+; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 %A, 2
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %B = icmp sgt i32 %A, 1
+ %C = icmp ne i32 %A, 2
+ ;; A > 2
+ %D = and i1 %B, %C
+ ret i1 %D
}
define i1 @test25(i32 %A) {
- %B = icmp sge i32 %A, 50 ; <i1> [#uses=1]
- %C = icmp slt i32 %A, 100 ; <i1> [#uses=1]
- ;; (A-50) <u 50
- %D = and i1 %B, %C ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test25(
+; CHECK-NEXT: [[A_OFF:%.*]] = add i32 %A, -50
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[A_OFF]], 50
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %B = icmp sge i32 %A, 50
+ %C = icmp slt i32 %A, 100
+ ;; (A-50) <u 50
+ %D = and i1 %B, %C
+ ret i1 %D
}
define i1 @test26(i32 %A) {
- %B = icmp ne i32 %A, 49 ; <i1> [#uses=1]
- %C = icmp ne i32 %A, 50 ; <i1> [#uses=1]
- ;; (A-49) > 1
- %D = and i1 %B, %C ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test26(
+; CHECK-NEXT: [[A_OFF:%.*]] = add i32 %A, -49
+; CHECK-NEXT: [[A_CMP:%.*]] = icmp ugt i32 [[A_OFF]], 1
+; CHECK-NEXT: ret i1 [[A_CMP]]
+;
+ %B = icmp ne i32 %A, 49
+ %C = icmp ne i32 %A, 50
+ ;; (A-49) > 1
+ %D = and i1 %B, %C
+ ret i1 %D
}
define i8 @test27(i8 %A) {
- %B = and i8 %A, 4 ; <i8> [#uses=1]
- %C = sub i8 %B, 16 ; <i8> [#uses=1]
- ;; 0xF0
- %D = and i8 %C, -16 ; <i8> [#uses=1]
- %E = add i8 %D, 16 ; <i8> [#uses=1]
- ret i8 %E
+; CHECK-LABEL: @test27(
+; CHECK-NEXT: ret i8 0
+;
+ %B = and i8 %A, 4
+ %C = sub i8 %B, 16
+ ;; 0xF0
+ %D = and i8 %C, -16
+ %E = add i8 %D, 16
+ ret i8 %E
}
;; This is juse a zero extending shr.
define i32 @test28(i32 %X) {
- ;; Sign extend
- %Y = ashr i32 %X, 24 ; <i32> [#uses=1]
- ;; Mask out sign bits
- %Z = and i32 %Y, 255 ; <i32> [#uses=1]
- ret i32 %Z
+; CHECK-LABEL: @test28(
+; CHECK-NEXT: [[Y1:%.*]] = lshr i32 %X, 24
+; CHECK-NEXT: ret i32 [[Y1]]
+;
+ ;; Sign extend
+ %Y = ashr i32 %X, 24
+ ;; Mask out sign bits
+ %Z = and i32 %Y, 255
+ ret i32 %Z
}
define i32 @test29(i8 %X) {
- %Y = zext i8 %X to i32 ; <i32> [#uses=1]
- ;; Zero extend makes this unneeded.
- %Z = and i32 %Y, 255 ; <i32> [#uses=1]
- ret i32 %Z
+; CHECK-LABEL: @test29(
+; CHECK-NEXT: [[Y:%.*]] = zext i8 %X to i32
+; CHECK-NEXT: ret i32 [[Y]]
+;
+ %Y = zext i8 %X to i32
+ ;; Zero extend makes this unneeded.
+ %Z = and i32 %Y, 255
+ ret i32 %Z
}
define i32 @test30(i1 %X) {
- %Y = zext i1 %X to i32 ; <i32> [#uses=1]
- %Z = and i32 %Y, 1 ; <i32> [#uses=1]
- ret i32 %Z
+; CHECK-LABEL: @test30(
+; CHECK-NEXT: [[Y:%.*]] = zext i1 %X to i32
+; CHECK-NEXT: ret i32 [[Y]]
+;
+ %Y = zext i1 %X to i32
+ %Z = and i32 %Y, 1
+ ret i32 %Z
}
define i32 @test31(i1 %X) {
- %Y = zext i1 %X to i32 ; <i32> [#uses=1]
- %Z = shl i32 %Y, 4 ; <i32> [#uses=1]
- %A = and i32 %Z, 16 ; <i32> [#uses=1]
- ret i32 %A
+; CHECK-LABEL: @test31(
+; CHECK-NEXT: [[Y:%.*]] = zext i1 %X to i32
+; CHECK-NEXT: [[Z:%.*]] = shl nuw nsw i32 [[Y]], 4
+; CHECK-NEXT: ret i32 [[Z]]
+;
+ %Y = zext i1 %X to i32
+ %Z = shl i32 %Y, 4
+ %A = and i32 %Z, 16
+ ret i32 %A
}
define i32 @test32(i32 %In) {
- %Y = and i32 %In, 16 ; <i32> [#uses=1]
- %Z = lshr i32 %Y, 2 ; <i32> [#uses=1]
- %A = and i32 %Z, 1 ; <i32> [#uses=1]
- ret i32 %A
+; CHECK-LABEL: @test32(
+; CHECK-NEXT: ret i32 0
+;
+ %Y = and i32 %In, 16
+ %Z = lshr i32 %Y, 2
+ %A = and i32 %Z, 1
+ ret i32 %A
}
;; Code corresponding to one-bit bitfield ^1.
define i32 @test33(i32 %b) {
- %tmp.4.mask = and i32 %b, 1 ; <i32> [#uses=1]
- %tmp.10 = xor i32 %tmp.4.mask, 1 ; <i32> [#uses=1]
- %tmp.12 = and i32 %b, -2 ; <i32> [#uses=1]
- %tmp.13 = or i32 %tmp.12, %tmp.10 ; <i32> [#uses=1]
- ret i32 %tmp.13
+; CHECK-LABEL: @test33(
+; CHECK-NEXT: [[TMP_13:%.*]] = xor i32 %b, 1
+; CHECK-NEXT: ret i32 [[TMP_13]]
+;
+ %tmp.4.mask = and i32 %b, 1
+ %tmp.10 = xor i32 %tmp.4.mask, 1
+ %tmp.12 = and i32 %b, -2
+ %tmp.13 = or i32 %tmp.12, %tmp.10
+ ret i32 %tmp.13
}
define i32 @test34(i32 %A, i32 %B) {
- %tmp.2 = or i32 %B, %A ; <i32> [#uses=1]
- %tmp.4 = and i32 %tmp.2, %B ; <i32> [#uses=1]
- ret i32 %tmp.4
+; CHECK-LABEL: @test34(
+; CHECK-NEXT: ret i32 %B
+;
+ %tmp.2 = or i32 %B, %A
+ %tmp.4 = and i32 %tmp.2, %B
+ ret i32 %tmp.4
}
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