| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=armv6m-linux-gnueabi -verify-machineinstrs -o - %s -disable-constant-hoisting | FileCheck %s |
| 2 | |
| 3 | %struct_type = type { [10000 x i32], i32, i32 } |
| 4 | |
| 5 | define void @test1(%struct_type** %s, i32 %n) { |
| 6 | ; CHECK-LABEL: test1 |
| 7 | entry: |
| 8 | %struct = load %struct_type*, %struct_type** %s |
| 9 | br label %while_cond |
| 10 | |
| 11 | while_cond: |
| 12 | %phi = phi i32 [ 0, %entry ], [ %i, %while_body ] |
| 13 | %gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1 |
| 14 | %gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2 |
| 15 | %cmp = icmp slt i32 %phi, %n |
| 16 | br i1 %cmp, label %while_body, label %while_end |
| 17 | |
| 18 | while_body: |
| 19 | ; CHECK: str r{{[0-9]+}}, [r{{[0-9]+}}] |
| 20 | ; CHECK-NEXT: str r{{[0-9]+}}, [r{{[0-9]+}}, #4] |
| 21 | %i = add i32 %phi, 1 |
| 22 | store i32 %i, i32* %gep0 |
| 23 | store i32 %phi, i32* %gep1 |
| 24 | br label %while_cond |
| 25 | |
| 26 | while_end: |
| 27 | ret void |
| 28 | ; CHECK: .LCPI0_0: |
| 29 | ; CHECK-NEXT: .long 40000 |
| 30 | ; CHECK-NOT: LCPI0 |
| 31 | } |
| 32 | |
| 33 | define void @test2(%struct_type* %struct, i32 %n) { |
| 34 | ; CHECK-LABEL: test2 |
| 35 | entry: |
| 36 | %cmp = icmp eq %struct_type* %struct, null |
| 37 | br i1 %cmp, label %while_end, label %while_cond |
| 38 | |
| 39 | while_cond: |
| 40 | %phi = phi i32 [ 0, %entry ], [ %i, %while_body ] |
| 41 | %gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1 |
| 42 | %gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2 |
| 43 | %cmp1 = icmp slt i32 %phi, %n |
| 44 | br i1 %cmp1, label %while_body, label %while_end |
| 45 | |
| 46 | while_body: |
| 47 | ; CHECK: str r{{[0-9]+}}, [r{{[0-9]+}}] |
| 48 | ; CHECK-NEXT: str r{{[0-9]+}}, [r{{[0-9]+}}, #4] |
| 49 | %i = add i32 %phi, 1 |
| 50 | store i32 %i, i32* %gep0 |
| 51 | store i32 %phi, i32* %gep1 |
| 52 | br label %while_cond |
| 53 | |
| 54 | while_end: |
| 55 | ret void |
| 56 | ; CHECK: .LCPI1_0: |
| 57 | ; CHECK-NEXT: .long 40000 |
| 58 | ; CHECK-NOT: LCPI1 |
| 59 | } |
| 60 | |
| 61 | define void @test3(%struct_type* %s1, %struct_type* %s2, i1 %cond, i32 %n) { |
| 62 | ; CHECK-LABEL: test3 |
| 63 | entry: |
| 64 | br i1 %cond, label %if_true, label %if_end |
| 65 | |
| 66 | if_true: |
| 67 | br label %if_end |
| 68 | |
| 69 | if_end: |
| 70 | %struct = phi %struct_type* [ %s1, %entry ], [ %s2, %if_true ] |
| 71 | %cmp = icmp eq %struct_type* %struct, null |
| 72 | br i1 %cmp, label %while_end, label %while_cond |
| 73 | |
| 74 | while_cond: |
| 75 | %phi = phi i32 [ 0, %if_end ], [ %i, %while_body ] |
| 76 | %gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1 |
| 77 | %gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2 |
| 78 | %cmp1 = icmp slt i32 %phi, %n |
| 79 | br i1 %cmp1, label %while_body, label %while_end |
| 80 | |
| 81 | while_body: |
| 82 | ; CHECK: str r{{[0-9]+}}, [r{{[0-9]+}}] |
| 83 | ; CHECK-NEXT: str r{{[0-9]+}}, [r{{[0-9]+}}, #4] |
| 84 | %i = add i32 %phi, 1 |
| 85 | store i32 %i, i32* %gep0 |
| 86 | store i32 %phi, i32* %gep1 |
| 87 | br label %while_cond |
| 88 | |
| 89 | while_end: |
| 90 | ret void |
| 91 | ; CHECK: .LCPI2_0: |
| 92 | ; CHECK-NEXT: .long 40000 |
| 93 | ; CHECK-NOT: LCPI2 |
| 94 | } |
| 95 | |
| 96 | declare %struct_type* @foo() |
| 97 | |
| 98 | define void @test4(i32 %n) personality i32 (...)* @__FrameHandler { |
| 99 | ; CHECK-LABEL: test4 |
| 100 | entry: |
| 101 | %struct = invoke %struct_type* @foo() to label %while_cond unwind label %cleanup |
| 102 | |
| 103 | while_cond: |
| 104 | %phi = phi i32 [ 0, %entry ], [ %i, %while_body ] |
| 105 | %gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1 |
| 106 | %gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2 |
| 107 | %cmp = icmp slt i32 %phi, %n |
| 108 | br i1 %cmp, label %while_body, label %while_end |
| 109 | |
| 110 | while_body: |
| 111 | ; CHECK: str r{{[0-9]+}}, [r{{[0-9]+}}] |
| 112 | ; CHECK-NEXT: str r{{[0-9]+}}, [r{{[0-9]+}}, #4] |
| 113 | %i = add i32 %phi, 1 |
| 114 | store i32 %i, i32* %gep0 |
| 115 | store i32 %phi, i32* %gep1 |
| 116 | br label %while_cond |
| 117 | |
| 118 | while_end: |
| 119 | ret void |
| 120 | |
| 121 | cleanup: |
| 122 | landingpad { i8*, i32 } cleanup |
| 123 | unreachable |
| 124 | ; CHECK: .LCPI3_0: |
| 125 | ; CHECK-NEXT: .long 40000 |
| 126 | ; CHECK-NOT: LCPI3 |
| 127 | } |
| 128 | |
| 129 | declare i32 @__FrameHandler(...) |
| 130 | |
| 131 | define void @test5([65536 x i32]** %s, i32 %n) { |
| 132 | ; CHECK-LABEL: test5 |
| 133 | entry: |
| 134 | %struct = load [65536 x i32]*, [65536 x i32]** %s |
| 135 | br label %while_cond |
| 136 | |
| 137 | while_cond: |
| 138 | %phi = phi i32 [ 0, %entry ], [ %i, %while_body ] |
| 139 | %gep0 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20000 |
| 140 | %gep1 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20001 |
| 141 | %cmp = icmp slt i32 %phi, %n |
| 142 | br i1 %cmp, label %while_body, label %while_end |
| 143 | |
| 144 | while_body: |
| 145 | ; CHECK: str r{{[0-9]+}}, [r{{[0-9]+}}] |
| 146 | ; CHECK-NEXT: str r{{[0-9]+}}, [r{{[0-9]+}}, #4] |
| 147 | %i = add i32 %phi, 1 |
| 148 | store i32 %i, i32* %gep0 |
| 149 | store i32 %phi, i32* %gep1 |
| 150 | br label %while_cond |
| 151 | |
| 152 | while_end: |
| 153 | ret void |
| 154 | ; CHECK: .LCPI4_0: |
| 155 | ; CHECK-NEXT: .long 80000 |
| 156 | ; CHECK-NOT: LCPI4 |
| 157 | } |