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| author | Roman Lebedev <lebedev.ri@gmail.com> | 2019-09-25 22:59:41 +0000 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2019-09-25 22:59:41 +0000 |
| commit | 914a3d1cf2e7fa93ab6972dd9f9d9bc525b10dd5 (patch) | |
| tree | 8db6d4f28d75d5ea024ac773c765084c4e6e0d68 /llvm/test/Transforms/InstSimplify | |
| parent | 26606bec9a2ab9f98869d518359f8ab719e5dd0f (diff) | |
| download | bcm5719-llvm-914a3d1cf2e7fa93ab6972dd9f9d9bc525b10dd5.tar.gz bcm5719-llvm-914a3d1cf2e7fa93ab6972dd9f9d9bc525b10dd5.zip | |
[InstSimplify] Handle more 'A </>/>=/<= B &&/|| (A - B) !=/== 0' patterns (PR43251)
https://rise4fun.com/Alive/sl9s
https://rise4fun.com/Alive/2plN
https://bugs.llvm.org/show_bug.cgi?id=43251
llvm-svn: 372928
Diffstat (limited to 'llvm/test/Transforms/InstSimplify')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/result-of-usub-is-non-zero-and-no-overflow.ll | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/llvm/test/Transforms/InstSimplify/result-of-usub-is-non-zero-and-no-overflow.ll b/llvm/test/Transforms/InstSimplify/result-of-usub-is-non-zero-and-no-overflow.ll index f0a9d27f3d6..fd473ac9d25 100644 --- a/llvm/test/Transforms/InstSimplify/result-of-usub-is-non-zero-and-no-overflow.ll +++ b/llvm/test/Transforms/InstSimplify/result-of-usub-is-non-zero-and-no-overflow.ll @@ -98,10 +98,8 @@ define i1 @exaustive_t0_no_underflow(i8 %base, i8 %offset) { ; CHECK-LABEL: @exaustive_t0_no_underflow( ; CHECK-NEXT: [[ADJUSTED:%.*]] = sub i8 [[BASE:%.*]], [[OFFSET:%.*]] ; CHECK-NEXT: call void @use8(i8 [[ADJUSTED]]) -; CHECK-NEXT: [[NOT_NULL:%.*]] = icmp ne i8 [[ADJUSTED]], 0 ; CHECK-NEXT: [[NO_UNDERFLOW:%.*]] = icmp ult i8 [[BASE]], [[OFFSET]] -; CHECK-NEXT: [[R:%.*]] = and i1 [[NO_UNDERFLOW]], [[NOT_NULL]] -; CHECK-NEXT: ret i1 [[R]] +; CHECK-NEXT: ret i1 [[NO_UNDERFLOW]] ; %adjusted = sub i8 %base, %offset call void @use8(i8 %adjusted) @@ -116,9 +114,7 @@ define i1 @exaustive_t1_not_null(i8 %base, i8 %offset) { ; CHECK-NEXT: [[ADJUSTED:%.*]] = sub i8 [[BASE:%.*]], [[OFFSET:%.*]] ; CHECK-NEXT: call void @use8(i8 [[ADJUSTED]]) ; CHECK-NEXT: [[NOT_NULL:%.*]] = icmp ne i8 [[ADJUSTED]], 0 -; CHECK-NEXT: [[NO_UNDERFLOW:%.*]] = icmp ult i8 [[BASE]], [[OFFSET]] -; CHECK-NEXT: [[R:%.*]] = or i1 [[NO_UNDERFLOW]], [[NOT_NULL]] -; CHECK-NEXT: ret i1 [[R]] +; CHECK-NEXT: ret i1 [[NOT_NULL]] ; %adjusted = sub i8 %base, %offset call void @use8(i8 %adjusted) @@ -163,10 +159,8 @@ define i1 @exaustive_t4_no_underflow(i8 %base, i8 %offset) { ; CHECK-LABEL: @exaustive_t4_no_underflow( ; CHECK-NEXT: [[ADJUSTED:%.*]] = sub i8 [[BASE:%.*]], [[OFFSET:%.*]] ; CHECK-NEXT: call void @use8(i8 [[ADJUSTED]]) -; CHECK-NEXT: [[NOT_NULL:%.*]] = icmp ne i8 [[ADJUSTED]], 0 ; CHECK-NEXT: [[NO_UNDERFLOW:%.*]] = icmp ugt i8 [[BASE]], [[OFFSET]] -; CHECK-NEXT: [[R:%.*]] = and i1 [[NO_UNDERFLOW]], [[NOT_NULL]] -; CHECK-NEXT: ret i1 [[R]] +; CHECK-NEXT: ret i1 [[NO_UNDERFLOW]] ; %adjusted = sub i8 %base, %offset call void @use8(i8 %adjusted) @@ -181,9 +175,7 @@ define i1 @exaustive_t5_not_null(i8 %base, i8 %offset) { ; CHECK-NEXT: [[ADJUSTED:%.*]] = sub i8 [[BASE:%.*]], [[OFFSET:%.*]] ; CHECK-NEXT: call void @use8(i8 [[ADJUSTED]]) ; CHECK-NEXT: [[NOT_NULL:%.*]] = icmp ne i8 [[ADJUSTED]], 0 -; CHECK-NEXT: [[NO_UNDERFLOW:%.*]] = icmp ugt i8 [[BASE]], [[OFFSET]] -; CHECK-NEXT: [[R:%.*]] = or i1 [[NO_UNDERFLOW]], [[NOT_NULL]] -; CHECK-NEXT: ret i1 [[R]] +; CHECK-NEXT: ret i1 [[NOT_NULL]] ; %adjusted = sub i8 %base, %offset call void @use8(i8 %adjusted) @@ -260,9 +252,7 @@ define i1 @exaustive_t10_not_null(i8 %base, i8 %offset) { ; CHECK-NEXT: [[ADJUSTED:%.*]] = sub i8 [[BASE:%.*]], [[OFFSET:%.*]] ; CHECK-NEXT: call void @use8(i8 [[ADJUSTED]]) ; CHECK-NEXT: [[NOT_NULL:%.*]] = icmp eq i8 [[ADJUSTED]], 0 -; CHECK-NEXT: [[NO_UNDERFLOW:%.*]] = icmp ule i8 [[BASE]], [[OFFSET]] -; CHECK-NEXT: [[R:%.*]] = and i1 [[NO_UNDERFLOW]], [[NOT_NULL]] -; CHECK-NEXT: ret i1 [[R]] +; CHECK-NEXT: ret i1 [[NOT_NULL]] ; %adjusted = sub i8 %base, %offset call void @use8(i8 %adjusted) @@ -276,10 +266,8 @@ define i1 @exaustive_t11_no_underflow(i8 %base, i8 %offset) { ; CHECK-LABEL: @exaustive_t11_no_underflow( ; CHECK-NEXT: [[ADJUSTED:%.*]] = sub i8 [[BASE:%.*]], [[OFFSET:%.*]] ; CHECK-NEXT: call void @use8(i8 [[ADJUSTED]]) -; CHECK-NEXT: [[NOT_NULL:%.*]] = icmp eq i8 [[ADJUSTED]], 0 ; CHECK-NEXT: [[NO_UNDERFLOW:%.*]] = icmp ule i8 [[BASE]], [[OFFSET]] -; CHECK-NEXT: [[R:%.*]] = or i1 [[NO_UNDERFLOW]], [[NOT_NULL]] -; CHECK-NEXT: ret i1 [[R]] +; CHECK-NEXT: ret i1 [[NO_UNDERFLOW]] ; %adjusted = sub i8 %base, %offset call void @use8(i8 %adjusted) @@ -325,9 +313,7 @@ define i1 @exaustive_t14_not_null(i8 %base, i8 %offset) { ; CHECK-NEXT: [[ADJUSTED:%.*]] = sub i8 [[BASE:%.*]], [[OFFSET:%.*]] ; CHECK-NEXT: call void @use8(i8 [[ADJUSTED]]) ; CHECK-NEXT: [[NOT_NULL:%.*]] = icmp eq i8 [[ADJUSTED]], 0 -; CHECK-NEXT: [[NO_UNDERFLOW:%.*]] = icmp uge i8 [[BASE]], [[OFFSET]] -; CHECK-NEXT: [[R:%.*]] = and i1 [[NO_UNDERFLOW]], [[NOT_NULL]] -; CHECK-NEXT: ret i1 [[R]] +; CHECK-NEXT: ret i1 [[NOT_NULL]] ; %adjusted = sub i8 %base, %offset call void @use8(i8 %adjusted) @@ -341,10 +327,8 @@ define i1 @exaustive_t15_no_underflow(i8 %base, i8 %offset) { ; CHECK-LABEL: @exaustive_t15_no_underflow( ; CHECK-NEXT: [[ADJUSTED:%.*]] = sub i8 [[BASE:%.*]], [[OFFSET:%.*]] ; CHECK-NEXT: call void @use8(i8 [[ADJUSTED]]) -; CHECK-NEXT: [[NOT_NULL:%.*]] = icmp eq i8 [[ADJUSTED]], 0 ; CHECK-NEXT: [[NO_UNDERFLOW:%.*]] = icmp uge i8 [[BASE]], [[OFFSET]] -; CHECK-NEXT: [[R:%.*]] = or i1 [[NO_UNDERFLOW]], [[NOT_NULL]] -; CHECK-NEXT: ret i1 [[R]] +; CHECK-NEXT: ret i1 [[NO_UNDERFLOW]] ; %adjusted = sub i8 %base, %offset call void @use8(i8 %adjusted) |
