[llvm] r284242 - [InstCombine] update test to use FileCheck and auto-generate checks
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 14 08:30:31 PDT 2016
Author: spatel
Date: Fri Oct 14 10:30:31 2016
New Revision: 284242
URL: http://llvm.org/viewvc/llvm-project?rev=284242&view=rev
Log:
[InstCombine] update test to use FileCheck and auto-generate checks
Modified:
llvm/trunk/test/Transforms/InstCombine/apint-sub.ll
Modified: llvm/trunk/test/Transforms/InstCombine/apint-sub.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/apint-sub.ll?rev=284242&r1=284241&r2=284242&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/apint-sub.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/apint-sub.ll Fri Oct 14 10:30:31 2016
@@ -1,135 +1,212 @@
-; This test makes sure that sub instructions are properly eliminated
-; even with arbitrary precision integers.
-;
-
-; RUN: opt < %s -instcombine -S | \
-; RUN: grep -v "sub i19 %Cok, %Bok" | grep -v "sub i25 0, %Aok" | not grep sub
-; END.
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -instcombine -S | FileCheck %s
define i23 @test1(i23 %A) {
- %B = sub i23 %A, %A ; <i23> [#uses=1]
- ret i23 %B
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: ret i23 0
+;
+ %B = sub i23 %A, %A
+ ret i23 %B
}
define i47 @test2(i47 %A) {
- %B = sub i47 %A, 0 ; <i47> [#uses=1]
- ret i47 %B
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: ret i47 %A
+;
+ %B = sub i47 %A, 0
+ ret i47 %B
}
define i97 @test3(i97 %A) {
- %B = sub i97 0, %A ; <i97> [#uses=1]
- %C = sub i97 0, %B ; <i97> [#uses=1]
- ret i97 %C
+; CHECK-LABEL: @test3(
+; CHECK-NEXT: ret i97 %A
+;
+ %B = sub i97 0, %A
+ %C = sub i97 0, %B
+ ret i97 %C
}
define i108 @test4(i108 %A, i108 %x) {
- %B = sub i108 0, %A ; <i108> [#uses=1]
- %C = sub i108 %x, %B ; <i108> [#uses=1]
- ret i108 %C
+; CHECK-LABEL: @test4(
+; CHECK-NEXT: [[C:%.*]] = add i108 %x, %A
+; CHECK-NEXT: ret i108 [[C]]
+;
+ %B = sub i108 0, %A
+ %C = sub i108 %x, %B
+ ret i108 %C
}
define i19 @test5(i19 %A, i19 %Bok, i19 %Cok) {
- %D = sub i19 %Bok, %Cok ; <i19> [#uses=1]
- %E = sub i19 %A, %D ; <i19> [#uses=1]
- ret i19 %E
+; CHECK-LABEL: @test5(
+; CHECK-NEXT: [[D1:%.*]] = sub i19 %Cok, %Bok
+; CHECK-NEXT: [[E:%.*]] = add i19 [[D1]], %A
+; CHECK-NEXT: ret i19 [[E]]
+;
+ %D = sub i19 %Bok, %Cok
+ %E = sub i19 %A, %D
+ ret i19 %E
}
define i57 @test6(i57 %A, i57 %B) {
- %C = and i57 %A, %B ; <i57> [#uses=1]
- %D = sub i57 %A, %C ; <i57> [#uses=1]
- ret i57 %D
+; CHECK-LABEL: @test6(
+; CHECK-NEXT: [[B_NOT:%.*]] = xor i57 %B, -1
+; CHECK-NEXT: [[D:%.*]] = and i57 %A, [[B_NOT]]
+; CHECK-NEXT: ret i57 [[D]]
+;
+ %C = and i57 %A, %B
+ %D = sub i57 %A, %C
+ ret i57 %D
}
define i77 @test7(i77 %A) {
- %B = sub i77 -1, %A ; <i77> [#uses=1]
- ret i77 %B
+; CHECK-LABEL: @test7(
+; CHECK-NEXT: [[B:%.*]] = xor i77 %A, -1
+; CHECK-NEXT: ret i77 [[B]]
+;
+ %B = sub i77 -1, %A
+ ret i77 %B
}
define i27 @test8(i27 %A) {
- %B = mul i27 9, %A ; <i27> [#uses=1]
- %C = sub i27 %B, %A ; <i27> [#uses=1]
- ret i27 %C
+; CHECK-LABEL: @test8(
+; CHECK-NEXT: [[C:%.*]] = shl i27 %A, 3
+; CHECK-NEXT: ret i27 [[C]]
+;
+ %B = mul i27 9, %A
+ %C = sub i27 %B, %A
+ ret i27 %C
}
define i42 @test9(i42 %A) {
- %B = mul i42 3, %A ; <i42> [#uses=1]
- %C = sub i42 %A, %B ; <i42> [#uses=1]
- ret i42 %C
+; CHECK-LABEL: @test9(
+; CHECK-NEXT: [[C:%.*]] = mul i42 %A, -2
+; CHECK-NEXT: ret i42 [[C]]
+;
+ %B = mul i42 3, %A
+ %C = sub i42 %A, %B
+ ret i42 %C
}
define i124 @test10(i124 %A, i124 %B) {
- %C = sub i124 0, %A ; <i124> [#uses=1]
- %D = sub i124 0, %B ; <i124> [#uses=1]
- %E = mul i124 %C, %D ; <i124> [#uses=1]
- ret i124 %E
+; CHECK-LABEL: @test10(
+; CHECK-NEXT: [[E:%.*]] = mul i124 %A, %B
+; CHECK-NEXT: ret i124 [[E]]
+;
+ %C = sub i124 0, %A
+ %D = sub i124 0, %B
+ %E = mul i124 %C, %D
+ ret i124 %E
}
define i55 @test10a(i55 %A) {
- %C = sub i55 0, %A ; <i55> [#uses=1]
- %E = mul i55 %C, 7 ; <i55> [#uses=1]
- ret i55 %E
+; CHECK-LABEL: @test10a(
+; CHECK-NEXT: [[E:%.*]] = mul i55 %A, -7
+; CHECK-NEXT: ret i55 [[E]]
+;
+ %C = sub i55 0, %A
+ %E = mul i55 %C, 7
+ ret i55 %E
}
define i1 @test11(i9 %A, i9 %B) {
- %C = sub i9 %A, %B ; <i9> [#uses=1]
- %cD = icmp ne i9 %C, 0 ; <i1> [#uses=1]
- ret i1 %cD
+; CHECK-LABEL: @test11(
+; CHECK-NEXT: [[CD:%.*]] = icmp ne i9 %A, %B
+; CHECK-NEXT: ret i1 [[CD]]
+;
+ %C = sub i9 %A, %B
+ %cD = icmp ne i9 %C, 0
+ ret i1 %cD
}
define i43 @test12(i43 %A) {
- %B = ashr i43 %A, 42 ; <i43> [#uses=1]
- %C = sub i43 0, %B ; <i43> [#uses=1]
- ret i43 %C
+; CHECK-LABEL: @test12(
+; CHECK-NEXT: [[C:%.*]] = lshr i43 %A, 42
+; CHECK-NEXT: ret i43 [[C]]
+;
+ %B = ashr i43 %A, 42
+ %C = sub i43 0, %B
+ ret i43 %C
}
define i79 @test13(i79 %A) {
- %B = lshr i79 %A, 78 ; <i79> [#uses=1]
- %C = sub i79 0, %B ; <i79> [#uses=1]
- ret i79 %C
+; CHECK-LABEL: @test13(
+; CHECK-NEXT: [[C:%.*]] = ashr i79 %A, 78
+; CHECK-NEXT: ret i79 [[C]]
+;
+ %B = lshr i79 %A, 78
+ %C = sub i79 0, %B
+ ret i79 %C
}
define i1024 @test14(i1024 %A) {
- %B = lshr i1024 %A, 1023 ; <i1024> [#uses=1]
- %C = bitcast i1024 %B to i1024 ; <i1024> [#uses=1]
- %D = sub i1024 0, %C ; <i1024> [#uses=1]
- ret i1024 %D
+; CHECK-LABEL: @test14(
+; CHECK-NEXT: [[D:%.*]] = ashr i1024 %A, 1023
+; CHECK-NEXT: ret i1024 [[D]]
+;
+ %B = lshr i1024 %A, 1023
+ %C = bitcast i1024 %B to i1024
+ %D = sub i1024 0, %C
+ ret i1024 %D
}
define i51 @test16(i51 %A) {
- %X = sdiv i51 %A, 1123 ; <i51> [#uses=1]
- %Y = sub i51 0, %X ; <i51> [#uses=1]
- ret i51 %Y
+; CHECK-LABEL: @test16(
+; CHECK-NEXT: [[Y:%.*]] = sdiv i51 %A, -1123
+; CHECK-NEXT: ret i51 [[Y]]
+;
+ %X = sdiv i51 %A, 1123
+ %Y = sub i51 0, %X
+ ret i51 %Y
}
-; Can't fold subtract here because negation it might oveflow.
+; Can't fold subtract here because negation might overflow.
; PR3142
define i25 @test17(i25 %Aok) {
- %B = sub i25 0, %Aok ; <i25> [#uses=1]
- %C = sdiv i25 %B, 1234 ; <i25> [#uses=1]
- ret i25 %C
+; CHECK-LABEL: @test17(
+; CHECK-NEXT: [[B:%.*]] = sub i25 0, %Aok
+; CHECK-NEXT: [[C:%.*]] = sdiv i25 [[B]], 1234
+; CHECK-NEXT: ret i25 [[C]]
+;
+ %B = sub i25 0, %Aok
+ %C = sdiv i25 %B, 1234
+ ret i25 %C
}
define i128 @test18(i128 %Y) {
- %tmp.4 = shl i128 %Y, 2 ; <i128> [#uses=1]
- %tmp.12 = shl i128 %Y, 2 ; <i128> [#uses=1]
- %tmp.8 = sub i128 %tmp.4, %tmp.12 ; <i128> [#uses=1]
- ret i128 %tmp.8
+; CHECK-LABEL: @test18(
+; CHECK-NEXT: ret i128 0
+;
+ %t1 = shl i128 %Y, 2
+ %t2 = shl i128 %Y, 2
+ %t3 = sub i128 %t1, %t2
+ ret i128 %t3
}
define i39 @test19(i39 %X, i39 %Y) {
- %Z = sub i39 %X, %Y ; <i39> [#uses=1]
- %Q = add i39 %Z, %Y ; <i39> [#uses=1]
- ret i39 %Q
+; CHECK-LABEL: @test19(
+; CHECK-NEXT: ret i39 %X
+;
+ %Z = sub i39 %X, %Y
+ %Q = add i39 %Z, %Y
+ ret i39 %Q
}
define i1 @test20(i33 %g, i33 %h) {
- %tmp.2 = sub i33 %g, %h ; <i33> [#uses=1]
- %tmp.4 = icmp ne i33 %tmp.2, %g ; <i1> [#uses=1]
- ret i1 %tmp.4
+; CHECK-LABEL: @test20(
+; CHECK-NEXT: [[T4:%.*]] = icmp ne i33 %h, 0
+; CHECK-NEXT: ret i1 [[T4]]
+;
+ %t2 = sub i33 %g, %h
+ %t4 = icmp ne i33 %t2, %g
+ ret i1 %t4
}
define i1 @test21(i256 %g, i256 %h) {
- %tmp.2 = sub i256 %g, %h ; <i256> [#uses=1]
- %tmp.4 = icmp ne i256 %tmp.2, %g; <i1> [#uses=1]
- ret i1 %tmp.4
+; CHECK-LABEL: @test21(
+; CHECK-NEXT: [[T4:%.*]] = icmp ne i256 %h, 0
+; CHECK-NEXT: ret i1 [[T4]]
+;
+ %t2 = sub i256 %g, %h
+ %t4 = icmp ne i256 %t2, %g
+ ret i1 %t4
}
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