| ; RUN: opt < %s -O3 -S | FileCheck %s |
| |
| ; Make sure the call to syncthreads is not duplicate here by the LLVM |
| ; optimizations, because it has the noduplicate attribute set. |
| |
| ; CHECK: call void @llvm.nvvm.barrier0 |
| ; CHECK-NOT: call void @llvm.nvvm.barrier0 |
| |
| ; Function Attrs: nounwind |
| define void @foo(ptr %output) #1 { |
| entry: |
| %output.addr = alloca ptr, align 8 |
| store ptr %output, ptr %output.addr, align 8 |
| %0 = load ptr, ptr %output.addr, align 8 |
| %1 = load float, ptr %0, align 4 |
| %conv = fpext float %1 to double |
| %cmp = fcmp olt double %conv, 1.000000e+01 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| %2 = load ptr, ptr %output.addr, align 8 |
| %3 = load float, ptr %2, align 4 |
| %conv1 = fpext float %3 to double |
| %add = fadd double %conv1, 1.000000e+00 |
| %conv2 = fptrunc double %add to float |
| store float %conv2, ptr %2, align 4 |
| br label %if.end |
| |
| if.else: ; preds = %entry |
| %4 = load ptr, ptr %output.addr, align 8 |
| %5 = load float, ptr %4, align 4 |
| %conv3 = fpext float %5 to double |
| %add4 = fadd double %conv3, 2.000000e+00 |
| %conv5 = fptrunc double %add4 to float |
| store float %conv5, ptr %4, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %if.else, %if.then |
| call void @llvm.nvvm.barrier0() |
| %6 = load ptr, ptr %output.addr, align 8 |
| %7 = load float, ptr %6, align 4 |
| %conv7 = fpext float %7 to double |
| %cmp8 = fcmp olt double %conv7, 1.000000e+01 |
| br i1 %cmp8, label %if.then9, label %if.else13 |
| |
| if.then9: ; preds = %if.end |
| %8 = load ptr, ptr %output.addr, align 8 |
| %9 = load float, ptr %8, align 4 |
| %conv10 = fpext float %9 to double |
| %add11 = fadd double %conv10, 3.000000e+00 |
| %conv12 = fptrunc double %add11 to float |
| store float %conv12, ptr %8, align 4 |
| br label %if.end17 |
| |
| if.else13: ; preds = %if.end |
| %10 = load ptr, ptr %output.addr, align 8 |
| %11 = load float, ptr %10, align 4 |
| %conv14 = fpext float %11 to double |
| %add15 = fadd double %conv14, 4.000000e+00 |
| %conv16 = fptrunc double %add15 to float |
| store float %conv16, ptr %10, align 4 |
| br label %if.end17 |
| |
| if.end17: ; preds = %if.else13, %if.then9 |
| ret void |
| } |
| |
| ; Function Attrs: noduplicate nounwind |
| declare void @llvm.nvvm.barrier0() #2 |
