================ @@ -0,0 +1,79 @@ +; RUN: llc -mcpu=mvp -filetype=obj %s -mattr=+branch-hinting -wasm-branch-prob-high=0x60000000 -wasm-branch-prob-low=0x0 -o - | obj2yaml | FileCheck %s + +; This test checks that branch weight metadata (!prof) is correctly translated to webassembly branch hints +; We set the prob-thresholds so that "likely" branches are only emitted if prob > 75% and "unlikely" branches +; if prob <= 0%. + +; CHECK: - Type: CUSTOM +; CHECK-NEXT: Relocations: +; CHECK-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB +; CHECK-NEXT: Index: 0 +; CHECK-NEXT: Offset: 0x5 +; CHECK-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB +; CHECK-NEXT: Index: 2 +; CHECK-NEXT: Offset: 0xE +; CHECK-NEXT: Name: metadata.code.branch_hint +; CHECK-NEXT: Payload: '8380808000808080800001050101828080800001050100' ---------------- Lukasdoe wrote:
Very good idea, I just did not think about that option. Implemented yaml parsing for branch hints now anyways, so we now test both representations. https://github.com/llvm/llvm-project/pull/146230 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
