[llvm] r275688 - update tests to use FileCheck, consolidate tests, fix comments
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Sat Jul 16 11:08:22 PDT 2016
Author: spatel
Date: Sat Jul 16 13:08:22 2016
New Revision: 275688
URL: http://llvm.org/viewvc/llvm-project?rev=275688&view=rev
Log:
update tests to use FileCheck, consolidate tests, fix comments
Added:
llvm/trunk/test/Transforms/InstCombine/apint-add.ll
Removed:
llvm/trunk/test/Transforms/InstCombine/apint-add1.ll
llvm/trunk/test/Transforms/InstCombine/apint-add2.ll
Added: llvm/trunk/test/Transforms/InstCombine/apint-add.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/apint-add.ll?rev=275688&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/apint-add.ll (added)
+++ llvm/trunk/test/Transforms/InstCombine/apint-add.ll Sat Jul 16 13:08:22 2016
@@ -0,0 +1,106 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+; Tests for Integer BitWidth <= 64 && BitWidth % 8 != 0.
+
+;; Flip sign bit then add INT_MIN -> nop.
+define i1 @test1(i1 %x) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: ret i1 %x
+;
+ %tmp.2 = xor i1 %x, 1
+ %tmp.4 = add i1 %tmp.2, 1
+ ret i1 %tmp.4
+}
+
+;; Flip sign bit then add INT_MIN -> nop.
+define i47 @test2(i47 %x) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: ret i47 %x
+;
+ %tmp.2 = xor i47 %x, 70368744177664
+ %tmp.4 = add i47 %tmp.2, 70368744177664
+ ret i47 %tmp.4
+}
+
+;; Flip sign bit then add INT_MIN -> nop.
+define i15 @test3(i15 %x) {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT: ret i15 %x
+;
+ %tmp.2 = xor i15 %x, 16384
+ %tmp.4 = add i15 %tmp.2, 16384
+ ret i15 %tmp.4
+}
+
+;; (x & 0b1111..0) + 1 -> x | 1
+define i49 @test4(i49 %x) {
+; CHECK-LABEL: @test4(
+; CHECK-NEXT: [[TMP_4:%.*]] = or i49 %x, 1
+; CHECK-NEXT: ret i49 [[TMP_4]]
+;
+ %tmp.2 = and i49 %x, 562949953421310
+ %tmp.4 = add i49 %tmp.2, 1
+ ret i49 %tmp.4
+}
+
+; Tests for Integer BitWidth > 64 && BitWidth <= 1024.
+
+;; Flip sign bit then add INT_MIN -> nop.
+define i111 @test5(i111 %x) {
+; CHECK-LABEL: @test5(
+; CHECK-NEXT: ret i111 %x
+;
+ %tmp.2 = shl i111 1, 110
+ %tmp.4 = xor i111 %x, %tmp.2
+ %tmp.6 = add i111 %tmp.4, %tmp.2
+ ret i111 %tmp.6
+}
+
+;; Flip sign bit then add INT_MIN -> nop.
+define i65 @test6(i65 %x) {
+; CHECK-LABEL: @test6(
+; CHECK-NEXT: ret i65 %x
+;
+ %tmp.0 = shl i65 1, 64
+ %tmp.2 = xor i65 %x, %tmp.0
+ %tmp.4 = add i65 %tmp.2, %tmp.0
+ ret i65 %tmp.4
+}
+
+;; Flip sign bit then add INT_MIN -> nop.
+define i1024 @test7(i1024 %x) {
+; CHECK-LABEL: @test7(
+; CHECK-NEXT: ret i1024 %x
+;
+ %tmp.0 = shl i1024 1, 1023
+ %tmp.2 = xor i1024 %x, %tmp.0
+ %tmp.4 = add i1024 %tmp.2, %tmp.0
+ ret i1024 %tmp.4
+}
+
+;; If we have add(xor(X, 0xF..F80..), 0x80..), it's an xor.
+define i128 @test8(i128 %x) {
+; CHECK-LABEL: @test8(
+; CHECK-NEXT: [[TMP_4:%.*]] = xor i128 %x, 170141183460469231731687303715884105600
+; CHECK-NEXT: ret i128 [[TMP_4]]
+;
+ %tmp.5 = shl i128 1, 127
+ %tmp.1 = ashr i128 %tmp.5, 120
+ %tmp.2 = xor i128 %x, %tmp.1
+ %tmp.4 = add i128 %tmp.2, %tmp.5
+ ret i128 %tmp.4
+}
+
+;; (x & 254)+1 -> (x & 254)|1
+define i77 @test9(i77 %x) {
+; CHECK-LABEL: @test9(
+; CHECK-NEXT: [[TMP_2:%.*]] = and i77 %x, 562949953421310
+; CHECK-NEXT: [[TMP_4:%.*]] = or i77 [[TMP_2]], 1
+; CHECK-NEXT: ret i77 [[TMP_4]]
+;
+ %tmp.2 = and i77 %x, 562949953421310
+ %tmp.4 = add i77 %tmp.2, 1
+ ret i77 %tmp.4
+}
+
Removed: llvm/trunk/test/Transforms/InstCombine/apint-add1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/apint-add1.ll?rev=275687&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/apint-add1.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/apint-add1.ll (removed)
@@ -1,34 +0,0 @@
-; This test makes sure that add instructions are properly eliminated.
-; This test is for Integer BitWidth <= 64 && BitWidth % 8 != 0.
-
-; RUN: opt < %s -instcombine -S | \
-; RUN: grep -v OK | not grep add
-
-
-define i1 @test1(i1 %x) {
- %tmp.2 = xor i1 %x, 1
- ;; Add of sign bit -> xor of sign bit.
- %tmp.4 = add i1 %tmp.2, 1
- ret i1 %tmp.4
-}
-
-define i47 @test2(i47 %x) {
- %tmp.2 = xor i47 %x, 70368744177664
- ;; Add of sign bit -> xor of sign bit.
- %tmp.4 = add i47 %tmp.2, 70368744177664
- ret i47 %tmp.4
-}
-
-define i15 @test3(i15 %x) {
- %tmp.2 = xor i15 %x, 16384
- ;; Add of sign bit -> xor of sign bit.
- %tmp.4 = add i15 %tmp.2, 16384
- ret i15 %tmp.4
-}
-
-define i49 @test6(i49 %x) {
- ;; (x & 254)+1 -> (x & 254)|1
- %tmp.2 = and i49 %x, 562949953421310
- %tmp.4 = add i49 %tmp.2, 1
- ret i49 %tmp.4
-}
Removed: llvm/trunk/test/Transforms/InstCombine/apint-add2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/apint-add2.ll?rev=275687&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/apint-add2.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/apint-add2.ll (removed)
@@ -1,46 +0,0 @@
-; This test makes sure that add instructions are properly eliminated.
-; This test is for Integer BitWidth > 64 && BitWidth <= 1024.
-
-; RUN: opt < %s -instcombine -S | \
-; RUN: grep -v OK | not grep add
-; END.
-
-define i111 @test1(i111 %x) {
- %tmp.2 = shl i111 1, 110
- %tmp.4 = xor i111 %x, %tmp.2
- ;; Add of sign bit -> xor of sign bit.
- %tmp.6 = add i111 %tmp.4, %tmp.2
- ret i111 %tmp.6
-}
-
-define i65 @test2(i65 %x) {
- %tmp.0 = shl i65 1, 64
- %tmp.2 = xor i65 %x, %tmp.0
- ;; Add of sign bit -> xor of sign bit.
- %tmp.4 = add i65 %tmp.2, %tmp.0
- ret i65 %tmp.4
-}
-
-define i1024 @test3(i1024 %x) {
- %tmp.0 = shl i1024 1, 1023
- %tmp.2 = xor i1024 %x, %tmp.0
- ;; Add of sign bit -> xor of sign bit.
- %tmp.4 = add i1024 %tmp.2, %tmp.0
- ret i1024 %tmp.4
-}
-
-define i128 @test4(i128 %x) {
- ;; If we have ADD(XOR(AND(X, 0xFF), 0xF..F80), 0x80), it's a sext.
- %tmp.5 = shl i128 1, 127
- %tmp.1 = ashr i128 %tmp.5, 120
- %tmp.2 = xor i128 %x, %tmp.1
- %tmp.4 = add i128 %tmp.2, %tmp.5
- ret i128 %tmp.4
-}
-
-define i77 @test6(i77 %x) {
- ;; (x & 254)+1 -> (x & 254)|1
- %tmp.2 = and i77 %x, 562949953421310
- %tmp.4 = add i77 %tmp.2, 1
- ret i77 %tmp.4
-}
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