diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/branchfolding-ehpad.mir')
| -rw-r--r-- | llvm/test/CodeGen/X86/branchfolding-ehpad.mir | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/branchfolding-ehpad.mir b/llvm/test/CodeGen/X86/branchfolding-ehpad.mir new file mode 100644 index 00000000000..d445cd20680 --- /dev/null +++ b/llvm/test/CodeGen/X86/branchfolding-ehpad.mir @@ -0,0 +1,28 @@ +# RUN: llc -mtriple=x86_64-windows-msvc -verify-machineinstrs -run-pass branch-folder -o - %s | FileCheck %s + +# Check that branch-folder does not create a fallthrough to a landing pad. +# Also make sure that the landing pad still can be tail merged. +--- +name: foo +body: | + ; CHECK-LABEL: name: foo + bb.0: + successors: %bb.1, %bb.3 + bb.1: + JCC_1 %bb.4, 5, implicit killed $eflags + bb.2: + MOV8mi $r13, 1, $noreg, 0, $noreg, 0 + JMP_1 %bb.5 + ; CHECK: bb.2: + ; CHECK-NOT: successors: {{.*}}bb.3 + ; CHECK: bb.3 (landing-pad): + ; CHECK-NOT: MOV8mi + bb.3(landing-pad): + MOV8mi $r13, 1, $noreg, 0, $noreg, 0 + JMP_1 %bb.5 + ; CHECK: bb.4: + bb.4: + MOV8mi $r13, 2, $noreg, 0, $noreg, 0 + bb.5: + RET 0 +... |
