| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -inline -S | FileCheck %s |
| 2 | ; RUN: opt < %s -passes='cgscc(inline)' -S | FileCheck %s |
| 3 | ; Test that bar and bar2 are both inlined throughout and removed. |
| 4 | @A = weak global i32 0 ; <i32*> [#uses=1] |
| 5 | @B = weak global i32 0 ; <i32*> [#uses=1] |
| 6 | @C = weak global i32 0 ; <i32*> [#uses=1] |
| 7 | |
| 8 | define fastcc void @foo(i32 %X) { |
| 9 | entry: |
| 10 | ; CHECK-LABEL: @foo( |
| 11 | %ALL = alloca i32, align 4 ; <i32*> [#uses=1] |
| 12 | %tmp1 = and i32 %X, 1 ; <i32> [#uses=1] |
| 13 | %tmp1.upgrd.1 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1] |
| 14 | br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true |
| 15 | |
| 16 | cond_true: ; preds = %entry |
| 17 | store i32 1, i32* @A |
| 18 | br label %cond_next |
| 19 | |
| 20 | cond_next: ; preds = %cond_true, %entry |
| 21 | %tmp4 = and i32 %X, 2 ; <i32> [#uses=1] |
| 22 | %tmp4.upgrd.2 = icmp eq i32 %tmp4, 0 ; <i1> [#uses=1] |
| 23 | br i1 %tmp4.upgrd.2, label %cond_next7, label %cond_true5 |
| 24 | |
| 25 | cond_true5: ; preds = %cond_next |
| 26 | store i32 1, i32* @B |
| 27 | br label %cond_next7 |
| 28 | |
| 29 | cond_next7: ; preds = %cond_true5, %cond_next |
| 30 | %tmp10 = and i32 %X, 4 ; <i32> [#uses=1] |
| 31 | %tmp10.upgrd.3 = icmp eq i32 %tmp10, 0 ; <i1> [#uses=1] |
| 32 | br i1 %tmp10.upgrd.3, label %cond_next13, label %cond_true11 |
| 33 | |
| 34 | cond_true11: ; preds = %cond_next7 |
| 35 | store i32 1, i32* @C |
| 36 | br label %cond_next13 |
| 37 | |
| 38 | cond_next13: ; preds = %cond_true11, %cond_next7 |
| 39 | %tmp16 = and i32 %X, 8 ; <i32> [#uses=1] |
| 40 | %tmp16.upgrd.4 = icmp eq i32 %tmp16, 0 ; <i1> [#uses=1] |
| 41 | br i1 %tmp16.upgrd.4, label %UnifiedReturnBlock, label %cond_true17 |
| 42 | |
| 43 | cond_true17: ; preds = %cond_next13 |
| 44 | call void @ext( i32* %ALL ) |
| 45 | ret void |
| 46 | |
| 47 | UnifiedReturnBlock: ; preds = %cond_next13 |
| 48 | ret void |
| 49 | } |
| 50 | |
| 51 | ; CHECK-NOT: @bar( |
| 52 | define internal fastcc void @bar(i32 %X) { |
| 53 | entry: |
| 54 | %ALL = alloca i32, align 4 ; <i32*> [#uses=1] |
| 55 | %tmp1 = and i32 %X, 1 ; <i32> [#uses=1] |
| 56 | %tmp1.upgrd.1 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1] |
| 57 | br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true |
| 58 | |
| 59 | cond_true: ; preds = %entry |
| 60 | store i32 1, i32* @A |
| 61 | br label %cond_next |
| 62 | |
| 63 | cond_next: ; preds = %cond_true, %entry |
| 64 | %tmp4 = and i32 %X, 2 ; <i32> [#uses=1] |
| 65 | %tmp4.upgrd.2 = icmp eq i32 %tmp4, 0 ; <i1> [#uses=1] |
| 66 | br i1 %tmp4.upgrd.2, label %cond_next7, label %cond_true5 |
| 67 | |
| 68 | cond_true5: ; preds = %cond_next |
| 69 | store i32 1, i32* @B |
| 70 | br label %cond_next7 |
| 71 | |
| 72 | cond_next7: ; preds = %cond_true5, %cond_next |
| 73 | %tmp10 = and i32 %X, 4 ; <i32> [#uses=1] |
| 74 | %tmp10.upgrd.3 = icmp eq i32 %tmp10, 0 ; <i1> [#uses=1] |
| 75 | br i1 %tmp10.upgrd.3, label %cond_next13, label %cond_true11 |
| 76 | |
| 77 | cond_true11: ; preds = %cond_next7 |
| 78 | store i32 1, i32* @C |
| 79 | br label %cond_next13 |
| 80 | |
| 81 | cond_next13: ; preds = %cond_true11, %cond_next7 |
| 82 | %tmp16 = and i32 %X, 8 ; <i32> [#uses=1] |
| 83 | %tmp16.upgrd.4 = icmp eq i32 %tmp16, 0 ; <i1> [#uses=1] |
| 84 | br i1 %tmp16.upgrd.4, label %UnifiedReturnBlock, label %cond_true17 |
| 85 | |
| 86 | cond_true17: ; preds = %cond_next13 |
| 87 | call void @foo( i32 %X ) |
| 88 | ret void |
| 89 | |
| 90 | UnifiedReturnBlock: ; preds = %cond_next13 |
| 91 | ret void |
| 92 | } |
| 93 | |
| 94 | define internal fastcc void @bar2(i32 %X) { |
| 95 | entry: |
| 96 | call void @foo( i32 %X ) |
| 97 | ret void |
| 98 | } |
| 99 | |
| 100 | declare void @ext(i32*) |
| 101 | |
| 102 | define void @test(i32 %X) { |
| 103 | entry: |
| 104 | ; CHECK: test |
| 105 | ; CHECK-NOT: @bar( |
| 106 | tail call fastcc void @bar( i32 %X ) |
| 107 | tail call fastcc void @bar( i32 %X ) |
| 108 | tail call fastcc void @bar2( i32 %X ) |
| 109 | tail call fastcc void @bar2( i32 %X ) |
| 110 | ret void |
| 111 | ; CHECK: ret |
| 112 | } |