1; REQUIRES: asserts 2; XFAIL: * 3; RUN: llc -O0 -verify-machineinstrs -asm-verbose=0 -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=COMMON %s 4; RUN: llc -O0 -verify-machineinstrs -asm-verbose=0 -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=COMMON %s 5 6; SI hits an assertion at -O0, evergreen hits a not implemented unreachable. 7 8; COMMON-LABEL: @branch_true: 9define void @branch_true(i8 addrspace(1)* nocapture %main, i32 %main_stride) #0 { 10entry: 11 br i1 true, label %for.end, label %for.body.lr.ph 12 13for.body.lr.ph: ; preds = %entry 14 %add.ptr.sum = shl i32 %main_stride, 1 15 %add.ptr1.sum = add i32 %add.ptr.sum, %main_stride 16 %add.ptr4.sum = shl i32 %main_stride, 2 17 br label %for.body 18 19for.body: ; preds = %for.body, %for.body.lr.ph 20 %main.addr.011 = phi i8 addrspace(1)* [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ] 21 %0 = bitcast i8 addrspace(1)* %main.addr.011 to i32 addrspace(1)* 22 %1 = load i32 addrspace(1)* %0, align 4 23 %add.ptr = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %main_stride 24 %2 = bitcast i8 addrspace(1)* %add.ptr to i32 addrspace(1)* 25 %3 = load i32 addrspace(1)* %2, align 4 26 %add.ptr1 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr.sum 27 %4 = bitcast i8 addrspace(1)* %add.ptr1 to i32 addrspace(1)* 28 %5 = load i32 addrspace(1)* %4, align 4 29 %add.ptr2 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr1.sum 30 %6 = bitcast i8 addrspace(1)* %add.ptr2 to i32 addrspace(1)* 31 %7 = load i32 addrspace(1)* %6, align 4 32 %add.ptr3 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr4.sum 33 %8 = bitcast i8 addrspace(1)* %add.ptr3 to i32 addrspace(1)* 34 %9 = load i32 addrspace(1)* %8, align 4 35 %add.ptr6 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 undef 36 br i1 undef, label %for.end, label %for.body 37 38for.end: ; preds = %for.body, %entry 39 ret void 40} 41 42; COMMON-LABEL: @branch_false: 43; SI: .text 44; SI-NEXT: S_ENDPGM 45define void @branch_false(i8 addrspace(1)* nocapture %main, i32 %main_stride) #0 { 46entry: 47 br i1 false, label %for.end, label %for.body.lr.ph 48 49for.body.lr.ph: ; preds = %entry 50 %add.ptr.sum = shl i32 %main_stride, 1 51 %add.ptr1.sum = add i32 %add.ptr.sum, %main_stride 52 %add.ptr4.sum = shl i32 %main_stride, 2 53 br label %for.body 54 55for.body: ; preds = %for.body, %for.body.lr.ph 56 %main.addr.011 = phi i8 addrspace(1)* [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ] 57 %0 = bitcast i8 addrspace(1)* %main.addr.011 to i32 addrspace(1)* 58 %1 = load i32 addrspace(1)* %0, align 4 59 %add.ptr = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %main_stride 60 %2 = bitcast i8 addrspace(1)* %add.ptr to i32 addrspace(1)* 61 %3 = load i32 addrspace(1)* %2, align 4 62 %add.ptr1 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr.sum 63 %4 = bitcast i8 addrspace(1)* %add.ptr1 to i32 addrspace(1)* 64 %5 = load i32 addrspace(1)* %4, align 4 65 %add.ptr2 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr1.sum 66 %6 = bitcast i8 addrspace(1)* %add.ptr2 to i32 addrspace(1)* 67 %7 = load i32 addrspace(1)* %6, align 4 68 %add.ptr3 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr4.sum 69 %8 = bitcast i8 addrspace(1)* %add.ptr3 to i32 addrspace(1)* 70 %9 = load i32 addrspace(1)* %8, align 4 71 %add.ptr6 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 undef 72 br i1 undef, label %for.end, label %for.body 73 74for.end: ; preds = %for.body, %entry 75 ret void 76} 77 78; COMMON-LABEL: @branch_undef: 79; SI: .text 80; SI-NEXT: S_ENDPGM 81define void @branch_undef(i8 addrspace(1)* nocapture %main, i32 %main_stride) #0 { 82entry: 83 br i1 undef, label %for.end, label %for.body.lr.ph 84 85for.body.lr.ph: ; preds = %entry 86 %add.ptr.sum = shl i32 %main_stride, 1 87 %add.ptr1.sum = add i32 %add.ptr.sum, %main_stride 88 %add.ptr4.sum = shl i32 %main_stride, 2 89 br label %for.body 90 91for.body: ; preds = %for.body, %for.body.lr.ph 92 %main.addr.011 = phi i8 addrspace(1)* [ %main, %for.body.lr.ph ], [ %add.ptr6, %for.body ] 93 %0 = bitcast i8 addrspace(1)* %main.addr.011 to i32 addrspace(1)* 94 %1 = load i32 addrspace(1)* %0, align 4 95 %add.ptr = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %main_stride 96 %2 = bitcast i8 addrspace(1)* %add.ptr to i32 addrspace(1)* 97 %3 = load i32 addrspace(1)* %2, align 4 98 %add.ptr1 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr.sum 99 %4 = bitcast i8 addrspace(1)* %add.ptr1 to i32 addrspace(1)* 100 %5 = load i32 addrspace(1)* %4, align 4 101 %add.ptr2 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr1.sum 102 %6 = bitcast i8 addrspace(1)* %add.ptr2 to i32 addrspace(1)* 103 %7 = load i32 addrspace(1)* %6, align 4 104 %add.ptr3 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 %add.ptr4.sum 105 %8 = bitcast i8 addrspace(1)* %add.ptr3 to i32 addrspace(1)* 106 %9 = load i32 addrspace(1)* %8, align 4 107 %add.ptr6 = getelementptr inbounds i8 addrspace(1)* %main.addr.011, i32 undef 108 br i1 undef, label %for.end, label %for.body 109 110for.end: ; preds = %for.body, %entry 111 ret void 112} 113 114attributes #0 = { nounwind } 115