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| author | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
| commit | cee313d288a4faf0355d76fb6e0e927e211d08a5 (patch) | |
| tree | d386075318d761197779a96e5d8fc0dc7b06342b /llvm/test/Transforms/SimplifyCFG/Mips | |
| parent | c3d6a929fdd92fd06d4304675ade8d7210ee711a (diff) | |
| download | bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.tar.gz bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.zip | |
Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG/Mips')
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/Mips/cttz-ctlz.ll | 43 | ||||
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/Mips/lit.local.cfg | 5 |
2 files changed, 48 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/Mips/cttz-ctlz.ll b/llvm/test/Transforms/SimplifyCFG/Mips/cttz-ctlz.ll new file mode 100644 index 00000000000..b4bfb51dd14 --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/Mips/cttz-ctlz.ll @@ -0,0 +1,43 @@ +; RUN: opt -S -simplifycfg -mtriple=mips-linux-gnu < %s | FileCheck %s + +define i32 @ctlz(i32 %A) { +; CHECK-LABEL: @ctlz( +; CHECK: [[ICMP:%[A-Za-z0-9]+]] = icmp eq i32 %A, 0 +; CHECK-NEXT: [[CTZ:%[A-Za-z0-9]+]] = tail call i32 @llvm.ctlz.i32(i32 %A, i1 true) +; CHECK-NEXT: [[SEL:%[A-Za-z0-9.]+]] = select i1 [[ICMP]], i32 32, i32 [[CTZ]] +; CHECK-NEXT: ret i32 [[SEL]] +entry: + %tobool = icmp eq i32 %A, 0 + br i1 %tobool, label %cond.end, label %cond.true + +cond.true: + %0 = tail call i32 @llvm.ctlz.i32(i32 %A, i1 true) + br label %cond.end + +cond.end: + %cond = phi i32 [ %0, %cond.true ], [ 32, %entry ] + ret i32 %cond +} + +define i32 @cttz(i32 %A) { +; CHECK-LABEL: @cttz( +; CHECK: [[ICMP:%[A-Za-z0-9]+]] = icmp eq i32 %A, 0 +; CHECK-NEXT: [[CTZ:%[A-Za-z0-9]+]] = tail call i32 @llvm.cttz.i32(i32 %A, i1 true) +; CHECK-NEXT: [[SEL:%[A-Za-z0-9.]+]] = select i1 [[ICMP]], i32 32, i32 [[CTZ]] +; CHECK-NEXT: ret i32 [[SEL]] +entry: + %tobool = icmp eq i32 %A, 0 + br i1 %tobool, label %cond.end, label %cond.true + +cond.true: + %0 = tail call i32 @llvm.cttz.i32(i32 %A, i1 true) + br label %cond.end + +cond.end: + %cond = phi i32 [ %0, %cond.true ], [ 32, %entry ] + ret i32 %cond +} + +declare i32 @llvm.ctlz.i32(i32, i1) +declare i32 @llvm.cttz.i32(i32, i1) + diff --git a/llvm/test/Transforms/SimplifyCFG/Mips/lit.local.cfg b/llvm/test/Transforms/SimplifyCFG/Mips/lit.local.cfg new file mode 100644 index 00000000000..683bfdccb74 --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/Mips/lit.local.cfg @@ -0,0 +1,5 @@ +config.suffixes = ['.ll'] + +targets = set(config.root.targets_to_build.split()) +if not 'Mips' in targets: + config.unsupported = True |
