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| author | Sanjay Patel <spatel@rotateright.com> | 2017-10-13 20:56:35 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2017-10-13 20:56:35 +0000 |
| commit | 505e071dc7b266bf92d7fa934ee58df80ed21915 (patch) | |
| tree | 10e7df8327e40ac2a06e812fa236a8b82f89d36f /llvm/test/Transforms/Reassociate | |
| parent | f4c11e353a50eebfe7448fac4af0c3fd5bbc9143 (diff) | |
| download | bcm5719-llvm-505e071dc7b266bf92d7fa934ee58df80ed21915.tar.gz bcm5719-llvm-505e071dc7b266bf92d7fa934ee58df80ed21915.zip | |
[Reassociate] auto-generate better checks; NFC
These would fail if the created variable names changed.
llvm-svn: 315752
Diffstat (limited to 'llvm/test/Transforms/Reassociate')
| -rw-r--r-- | llvm/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll | 23 | ||||
| -rw-r--r-- | llvm/test/Transforms/Reassociate/subtest.ll | 20 |
2 files changed, 23 insertions, 20 deletions
diff --git a/llvm/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll b/llvm/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll index 29c178ffec3..8039ddef44e 100644 --- a/llvm/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll +++ b/llvm/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll @@ -2,25 +2,25 @@ ; With sub reassociation, constant folding can eliminate all of the 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]] +; %W = add i32 5, %B %X = add i32 -7, %A %Y = sub i32 %X, %W %Z = add i32 %Y, 12 ret i32 %Z } - + ; With sub reassociation, constant folding can eliminate the two 12 constants. define i32 @test2(i32 %A, i32 %B, i32 %C, i32 %D) { -; CHECK-LABEL: test2 -; CHECK-NEXT: %sum = add i32 %B, %A -; CHECK-NEXT: %sum1 = add i32 %sum, %C -; CHECK-NEXT: %Q = sub i32 %D, %sum1 -; CHECK-NEXT: ret i32 %Q - +; CHECK-LABEL: @test2( +; CHECK-NEXT: [[SUM:%.*]] = add i32 %B, %A +; CHECK-NEXT: [[SUM1:%.*]] = add i32 [[SUM]], %C +; CHECK-NEXT: [[Q:%.*]] = sub i32 %D, [[SUM1]] +; CHECK-NEXT: ret i32 [[Q]] +; %M = add i32 %A, 12 %N = add i32 %M, %B %O = add i32 %N, %C @@ -28,3 +28,4 @@ define i32 @test2(i32 %A, i32 %B, i32 %C, i32 %D) { %Q = add i32 %P, 12 ret i32 %Q } + 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 } + |
