RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-26 04:32:44 +01:00
Code Issues Projects Releases Wiki Activity

[InstCombine] fix/add tests for icmp with not ops; NFC

Browse Source 
The existing test was not minimal, and there was no coverage
for the variants with a constant or vector types.

llvm-svn: 304555
This commit is contained in:
Sanjay Patel 2017-06-02 15:35:45 +00:00
parent b673edd025
commit d2e7ff4f5d
1 changed files with 40 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
test/Transforms/InstCombine/not.ll
View File

@ -33,17 +33,47 @@ define i1 @invert_fcmp(float %X, float %Y) {
; PR2298 ; PR2298
define zeroext i8 @test6(i32 %a, i32 %b) { define i1 @not_not_cmp(i32 %a, i32 %b) {
; CHECK-LABEL: @test6( ; CHECK-LABEL: @not_not_cmp(
; CHECK-NEXT: [[TMP3:%.*]] = icmp slt i32 %b, %a ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 %b, %a
; CHECK-NEXT: [[RETVAL67:%.*]] = zext i1 [[TMP3]] to i8 ; CHECK-NEXT: ret i1 [[CMP]]
; CHECK-NEXT: ret i8 [[RETVAL67]]
; ;
%tmp1not = xor i32 %a, -1 %nota = xor i32 %a, -1
%tmp2not = xor i32 %b, -1 %notb = xor i32 %b, -1
%tmp3 = icmp slt i32 %tmp1not, %tmp2not %cmp = icmp slt i32 %nota, %notb
%retval67 = zext i1 %tmp3 to i8 ret i1 %cmp
ret i8 %retval67 }
define <2 x i1> @not_not_cmp_vector(<2 x i32> %a, <2 x i32> %b) {
; CHECK-LABEL: @not_not_cmp_vector(
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i32> %b, %a
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%nota = xor <2 x i32> %a, <i32 -1, i32 -1>
%notb = xor <2 x i32> %b, <i32 -1, i32 -1>
%cmp = icmp ugt <2 x i32> %nota, %notb
ret <2 x i1> %cmp
}
define i1 @not_cmp_constant(i32 %a) {
; CHECK-LABEL: @not_cmp_constant(
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 %a, -43
; CHECK-NEXT: ret i1 [[CMP]]
;
%nota = xor i32 %a, -1
%cmp = icmp ugt i32 %nota, 42
ret i1 %cmp
}
define <2 x i1> @not_cmp_constant_vector(<2 x i32> %a) {
; CHECK-LABEL: @not_cmp_constant_vector(
; CHECK-NEXT: [[NOTA:%.*]] = xor <2 x i32> %a, <i32 -1, i32 -1>
; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i32> [[NOTA]], <i32 42, i32 42>
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%nota = xor <2 x i32> %a, <i32 -1, i32 -1>
%cmp = icmp slt <2 x i32> %nota, <i32 42, i32 42>
ret <2 x i1> %cmp
} }
define <2 x i1> @test7(<2 x i32> %A, <2 x i32> %B) { define <2 x i1> @test7(<2 x i32> %A, <2 x i32> %B) {