diff options
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG/implied-cond.ll')
-rw-r--r-- | llvm/test/Transforms/SimplifyCFG/implied-cond.ll | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/implied-cond.ll b/llvm/test/Transforms/SimplifyCFG/implied-cond.ll deleted file mode 100644 index 317adc4c347..00000000000 --- a/llvm/test/Transforms/SimplifyCFG/implied-cond.ll +++ /dev/null @@ -1,81 +0,0 @@ -; RUN: opt %s -S -simplifycfg | FileCheck %s -; Check for when one branch implies the value of a successors conditional and -; it's not simply the same conditional repeated. - -define void @test(i32 %length.i, i32 %i) { -; CHECK-LABEL: @test - %iplus1 = add nsw i32 %i, 1 - %var29 = icmp slt i32 %iplus1, %length.i -; CHECK: br i1 %var29, label %in_bounds, label %out_of_bounds - br i1 %var29, label %next, label %out_of_bounds - -next: -; CHECK-LABEL: in_bounds: -; CHECK-NEXT: ret void - %var30 = icmp slt i32 %i, %length.i - br i1 %var30, label %in_bounds, label %out_of_bounds2 - -in_bounds: - ret void - -out_of_bounds: - call void @foo(i64 0) - unreachable - -out_of_bounds2: - call void @foo(i64 1) - unreachable -} - -; If the add is not nsw, it's not safe to use the fact about i+1 to imply the -; i condition since it could have overflowed. -define void @test_neg(i32 %length.i, i32 %i) { -; CHECK-LABEL: @test_neg - %iplus1 = add i32 %i, 1 - %var29 = icmp slt i32 %iplus1, %length.i -; CHECK: br i1 %var29, label %next, label %out_of_bounds - br i1 %var29, label %next, label %out_of_bounds - -next: - %var30 = icmp slt i32 %i, %length.i -; CHECK: br i1 %var30, label %in_bounds, label %out_of_bounds2 - br i1 %var30, label %in_bounds, label %out_of_bounds2 - -in_bounds: - ret void - -out_of_bounds: - call void @foo(i64 0) - unreachable - -out_of_bounds2: - call void @foo(i64 1) - unreachable -} - - -define void @test2(i32 %length.i, i32 %i) { -; CHECK-LABEL: @test2 - %iplus100 = add nsw i32 %i, 100 - %var29 = icmp slt i32 %iplus100, %length.i -; CHECK: br i1 %var29, label %in_bounds, label %out_of_bounds - br i1 %var29, label %next, label %out_of_bounds - -next: - %var30 = icmp slt i32 %i, %length.i - br i1 %var30, label %in_bounds, label %out_of_bounds2 - -in_bounds: - ret void - -out_of_bounds: - call void @foo(i64 0) - unreachable - -out_of_bounds2: - call void @foo(i64 1) - unreachable -} - -declare void @foo(i64) - |