| Matt Arsenault | 427a0fd | 2015-08-15 00:53:06 +0000 | [diff] [blame^] | 1 | ; RUN: llc -march=amdgcn -mcpu=bonaire -print-lsr-output < %s 2>&1 | FileCheck %s |
| 2 | |
| 3 | ; Test various conditions where OptimizeLoopTermCond doesn't look at a |
| 4 | ; memory instruction use and fails to find the address space. |
| 5 | |
| 6 | target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64" |
| 7 | |
| 8 | ; CHECK-LABEL: @local_cmp_user( |
| 9 | ; CHECK: bb11: |
| 10 | ; CHECK: %lsr.iv1 = phi i32 [ %lsr.iv.next2, %bb ], [ -2, %entry ] |
| 11 | ; CHECK: %lsr.iv = phi i32 [ %lsr.iv.next, %bb ], [ undef, %entry ] |
| 12 | |
| 13 | ; CHECK: bb: |
| 14 | ; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1 |
| 15 | ; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, 2 |
| 16 | ; CHECK: %scevgep = getelementptr i8, i8 addrspace(3)* %t, i32 %lsr.iv.next2 |
| 17 | ; CHECK: %c1 = icmp ult i8 addrspace(3)* %scevgep, undef |
| 18 | define void @local_cmp_user() nounwind { |
| 19 | entry: |
| 20 | br label %bb11 |
| 21 | |
| 22 | bb11: |
| 23 | %i = phi i32 [ 0, %entry ], [ %i.next, %bb ] |
| 24 | %ii = shl i32 %i, 1 |
| 25 | %c0 = icmp eq i32 %i, undef |
| 26 | br i1 %c0, label %bb13, label %bb |
| 27 | |
| 28 | bb: |
| 29 | %t = load i8 addrspace(3)*, i8 addrspace(3)* addrspace(3)* undef |
| 30 | %p = getelementptr i8, i8 addrspace(3)* %t, i32 %ii |
| 31 | %c1 = icmp ult i8 addrspace(3)* %p, undef |
| 32 | %i.next = add i32 %i, 1 |
| 33 | br i1 %c1, label %bb11, label %bb13 |
| 34 | |
| 35 | bb13: |
| 36 | unreachable |
| 37 | } |
| 38 | |
| 39 | ; CHECK-LABEL: @global_cmp_user( |
| 40 | ; CHECK: %lsr.iv.next = add i64 %lsr.iv, -1 |
| 41 | ; CHECK: %lsr.iv.next2 = add i64 %lsr.iv1, 2 |
| 42 | ; CHECK: %scevgep = getelementptr i8, i8 addrspace(1)* %t, i64 %lsr.iv.next2 |
| 43 | define void @global_cmp_user() nounwind { |
| 44 | entry: |
| 45 | br label %bb11 |
| 46 | |
| 47 | bb11: |
| 48 | %i = phi i64 [ 0, %entry ], [ %i.next, %bb ] |
| 49 | %ii = shl i64 %i, 1 |
| 50 | %c0 = icmp eq i64 %i, undef |
| 51 | br i1 %c0, label %bb13, label %bb |
| 52 | |
| 53 | bb: |
| 54 | %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef |
| 55 | %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii |
| 56 | %c1 = icmp ult i8 addrspace(1)* %p, undef |
| 57 | %i.next = add i64 %i, 1 |
| 58 | br i1 %c1, label %bb11, label %bb13 |
| 59 | |
| 60 | bb13: |
| 61 | unreachable |
| 62 | } |
| 63 | |
| 64 | ; CHECK-LABEL: @global_gep_user( |
| 65 | ; CHECK: %p = getelementptr i8, i8 addrspace(1)* %t, i32 %lsr.iv1 |
| 66 | ; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1 |
| 67 | ; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, 2 |
| 68 | define void @global_gep_user() nounwind { |
| 69 | entry: |
| 70 | br label %bb11 |
| 71 | |
| 72 | bb11: |
| 73 | %i = phi i32 [ 0, %entry ], [ %i.next, %bb ] |
| 74 | %ii = shl i32 %i, 1 |
| 75 | %c0 = icmp eq i32 %i, undef |
| 76 | br i1 %c0, label %bb13, label %bb |
| 77 | |
| 78 | bb: |
| 79 | %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef |
| 80 | %p = getelementptr i8, i8 addrspace(1)* %t, i32 %ii |
| 81 | %c1 = icmp ult i8 addrspace(1)* %p, undef |
| 82 | %i.next = add i32 %i, 1 |
| 83 | br i1 %c1, label %bb11, label %bb13 |
| 84 | |
| 85 | bb13: |
| 86 | unreachable |
| 87 | } |
| 88 | |
| 89 | ; CHECK-LABEL: @global_sext_scale_user( |
| 90 | ; CHECK: %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii.ext |
| 91 | ; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1 |
| 92 | ; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, 2 |
| 93 | define void @global_sext_scale_user() nounwind { |
| 94 | entry: |
| 95 | br label %bb11 |
| 96 | |
| 97 | bb11: |
| 98 | %i = phi i32 [ 0, %entry ], [ %i.next, %bb ] |
| 99 | %ii = shl i32 %i, 1 |
| 100 | %ii.ext = sext i32 %ii to i64 |
| 101 | %c0 = icmp eq i32 %i, undef |
| 102 | br i1 %c0, label %bb13, label %bb |
| 103 | |
| 104 | bb: |
| 105 | %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef |
| 106 | %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii.ext |
| 107 | %c1 = icmp ult i8 addrspace(1)* %p, undef |
| 108 | %i.next = add i32 %i, 1 |
| 109 | br i1 %c1, label %bb11, label %bb13 |
| 110 | |
| 111 | bb13: |
| 112 | unreachable |
| 113 | } |