1; RUN: llc -O0 -verify-machineinstrs -asm-verbose=0 -mtriple=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=COMMON %s 2; RUN: llc -O0 -verify-machineinstrs -asm-verbose=0 -mtriple=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI -check-prefix=COMMON %s 3; XUN: llc -O0 -verify-machineinstrs -asm-verbose=0 -mtriple=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=COMMON %s 4 5; SI hits an assertion at -O0, evergreen hits a not implemented unreachable. 6 7; COMMON-LABEL: {{^}}branch_true: 8define amdgpu_kernel void @branch_true(ptr addrspace(1) nocapture %main, i32 %main_stride) #0 { 9entry: 10 br i1 true, label %for.end, label %for.body.lr.ph 11 12for.body.lr.ph: ; preds = %entry 13 %add.ptr.sum = shl i32 %main_stride, 1 14 %add.ptr1.sum = add i32 %add.ptr.sum, %main_stride 15 %add.ptr4.sum = shl i32 %main_stride, 2 16 br label %for.body 17 18for.body: ; preds = %for.body, %for.body.lr.ph 19 %main.addr.011 = phi ptr addrspace(1) [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ] 20 %0 = load i32, ptr addrspace(1) %main.addr.011, align 4 21 %add.ptr = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %main_stride 22 %1 = load i32, ptr addrspace(1) %add.ptr, align 4 23 %add.ptr1 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr.sum 24 %2 = load i32, ptr addrspace(1) %add.ptr1, align 4 25 %add.ptr2 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr1.sum 26 %3 = load i32, ptr addrspace(1) %add.ptr2, align 4 27 %add.ptr3 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr4.sum 28 %4 = load i32, ptr addrspace(1) %add.ptr3, align 4 29 %add.ptr6 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 undef 30 br i1 undef, label %for.end, label %for.body 31 32for.end: ; preds = %for.body, %entry 33 ret void 34} 35 36; COMMON-LABEL: {{^}}branch_false: 37; SI: s_cbranch_scc1 38; SI: s_endpgm 39define amdgpu_kernel void @branch_false(ptr addrspace(1) nocapture %main, i32 %main_stride) #0 { 40entry: 41 br i1 false, label %for.end, label %for.body.lr.ph 42 43for.body.lr.ph: ; preds = %entry 44 %add.ptr.sum = shl i32 %main_stride, 1 45 %add.ptr1.sum = add i32 %add.ptr.sum, %main_stride 46 %add.ptr4.sum = shl i32 %main_stride, 2 47 br label %for.body 48 49for.body: ; preds = %for.body, %for.body.lr.ph 50 %main.addr.011 = phi ptr addrspace(1) [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ] 51 %0 = load i32, ptr addrspace(1) %main.addr.011, align 4 52 %add.ptr = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %main_stride 53 %1 = load i32, ptr addrspace(1) %add.ptr, align 4 54 %add.ptr1 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr.sum 55 %2 = load i32, ptr addrspace(1) %add.ptr1, align 4 56 %add.ptr2 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr1.sum 57 %3 = load i32, ptr addrspace(1) %add.ptr2, align 4 58 %add.ptr3 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr4.sum 59 %4 = load i32, ptr addrspace(1) %add.ptr3, align 4 60 %add.ptr6 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 undef 61 br i1 undef, label %for.end, label %for.body 62 63for.end: ; preds = %for.body, %entry 64 ret void 65} 66 67; COMMON-LABEL: {{^}}branch_undef: 68; SI: s_cbranch_scc1 69; SI: s_cbranch_scc1 70; SI: s_endpgm 71define amdgpu_kernel void @branch_undef(ptr addrspace(1) nocapture %main, i32 %main_stride) #0 { 72entry: 73 br i1 undef, label %for.end, label %for.body.lr.ph 74 75for.body.lr.ph: ; preds = %entry 76 %add.ptr.sum = shl i32 %main_stride, 1 77 %add.ptr1.sum = add i32 %add.ptr.sum, %main_stride 78 %add.ptr4.sum = shl i32 %main_stride, 2 79 br label %for.body 80 81for.body: ; preds = %for.body, %for.body.lr.ph 82 %main.addr.011 = phi ptr addrspace(1) [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ] 83 %0 = load i32, ptr addrspace(1) %main.addr.011, align 4 84 %add.ptr = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %main_stride 85 %1 = load i32, ptr addrspace(1) %add.ptr, align 4 86 %add.ptr1 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr.sum 87 %2 = load i32, ptr addrspace(1) %add.ptr1, align 4 88 %add.ptr2 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr1.sum 89 %3 = load i32, ptr addrspace(1) %add.ptr2, align 4 90 %add.ptr3 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 %add.ptr4.sum 91 %4 = load i32, ptr addrspace(1) %add.ptr3, align 4 92 %add.ptr6 = getelementptr inbounds i8, ptr addrspace(1) %main.addr.011, i32 undef 93 br i1 undef, label %for.end, label %for.body 94 95for.end: ; preds = %for.body, %entry 96 ret void 97} 98 99attributes #0 = { nounwind } 100