1 ; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -codegenprepare %s | FileCheck %s 2 3 define internal fastcc void @callee(i32* nocapture %p, i32 %a) #0 { 4 store volatile i32 %a, i32* %p, align 4 5 ret void 6 } 7 8 ; CHECK-LABEL: @func_caller( 9 ; CHECK: tail call fastcc void @callee( 10 ; CHECK-NEXT: ret void 11 ; CHECK: ret void 12 define void @func_caller(i32* nocapture %p, i32 %a, i32 %b) #0 { 13 entry: 14 %cmp = icmp eq i32 %b, 0 15 br i1 %cmp, label %bb, label %ret 16 17 bb: 18 tail call fastcc void @callee(i32* %p, i32 %a) 19 br label %ret 20 21 ret: 22 ret void 23 } 24 25 ; CHECK-LABEL: @kernel_caller( 26 ; CHECK: tail call fastcc void @callee( 27 ; CHECK-NEXT: br label %ret 28 29 ; CHECK: ret void 30 define amdgpu_kernel void @kernel_caller(i32* nocapture %p, i32 %a, i32 %b) #0 { 31 entry: 32 %cmp = icmp eq i32 %b, 0 33 br i1 %cmp, label %bb, label %ret 34 35 bb: 36 tail call fastcc void @callee(i32* %p, i32 %a) 37 br label %ret 38 39 ret: 40 ret void 41 } 42 43 attributes #0 = { nounwind } 44
