diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp --- a/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp @@ -727,6 +727,10 @@ case AMDGPU::VCC: case AMDGPU::VCC_LO: case AMDGPU::VCC_HI: + case AMDGPU::VCC_LO_LO16: + case AMDGPU::VCC_LO_HI16: + case AMDGPU::VCC_HI_LO16: + case AMDGPU::VCC_HI_HI16: Info.UsesVCC = true; continue; diff --git a/llvm/test/CodeGen/AMDGPU/asm-printer-check-vcc.mir b/llvm/test/CodeGen/AMDGPU/asm-printer-check-vcc.mir new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/asm-printer-check-vcc.mir @@ -0,0 +1,23 @@ +# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-after=livedebugvalues -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s + +# GCN-LABEL: foo: +# GCN: s_getpc_b64 vcc +# GCN: s_add_u32 vcc_lo, vcc_lo, bar@rel32@lo+4 +# GCN: s_addc_u32 vcc_hi, vcc_hi, bar@rel32@hi+4 +--- | + define amdgpu_kernel void @foo() { + ret void + } + @bar = external protected local_unnamed_addr addrspace(4) externally_initialized global i32, align 4 +--- +name: foo +tracksRegLiveness: true +frameInfo: + hasCalls: true +body: | + bb.0: + BUNDLE implicit-def $vcc, implicit-def $vcc_lo, implicit-def $vcc_lo_lo16, implicit-def $vcc_lo_hi16, implicit-def $vcc_hi, implicit-def $vcc_hi_lo16, implicit-def $vcc_hi_hi16, implicit-def $scc { + $vcc = S_GETPC_B64 + $vcc_lo = S_ADD_U32 internal $vcc_lo, target-flags(amdgpu-rel32-lo) @bar + 4, implicit-def $scc + $vcc_hi = S_ADDC_U32 internal $vcc_hi, target-flags(amdgpu-rel32-hi) @bar + 4, implicit-def $scc, implicit internal $scc + }