diff options
Diffstat (limited to 'llvm/test/Transforms/Reassociate/subtest.ll')
| -rw-r--r-- | llvm/test/Transforms/Reassociate/subtest.ll | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/llvm/test/Transforms/Reassociate/subtest.ll b/llvm/test/Transforms/Reassociate/subtest.ll index e6263d85522..c1a80e26ce6 100644 --- a/llvm/test/Transforms/Reassociate/subtest.ll +++ b/llvm/test/Transforms/Reassociate/subtest.ll @@ -2,9 +2,10 @@ ; With sub reassociation, constant folding can eliminate the 12 and -12 constants. define i32 @test1(i32 %A, i32 %B) { -; CHECK-LABEL: @test1 -; CHECK-NEXT: %Z = sub i32 %A, %B -; CHECK-NEXT: ret i32 %Z +; CHECK-LABEL: @test1( +; CHECK-NEXT: [[Z:%.*]] = sub i32 %A, %B +; CHECK-NEXT: ret i32 [[Z]] +; %X = add i32 -12, %A %Y = sub i32 %X, %B %Z = add i32 %Y, 12 @@ -13,14 +14,15 @@ define i32 @test1(i32 %A, i32 %B) { ; PR2047 ; With sub reassociation, constant folding can eliminate the uses of %a. -define i32 @test2(i32 %a, i32 %b, i32 %c) nounwind { -; CHECK-LABEL: @test2 -; CHECK-NEXT: %sum = add i32 %c, %b -; CHECK-NEXT: %tmp7 = sub i32 0, %sum -; CHECK-NEXT: ret i32 %tmp7 - +define i32 @test2(i32 %a, i32 %b, i32 %c) { +; CHECK-LABEL: @test2( +; CHECK-NEXT: [[SUM:%.*]] = add i32 %c, %b +; CHECK-NEXT: [[TMP7:%.*]] = sub i32 0, [[SUM]] +; CHECK-NEXT: ret i32 [[TMP7]] +; %tmp3 = sub i32 %a, %b %tmp5 = sub i32 %tmp3, %c %tmp7 = sub i32 %tmp5, %a ret i32 %tmp7 } + |
