| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -indvars -S | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 4 | target triple = "x86_64-unknown-linux-gnu" |
| 5 | |
| 6 | @G = external global i32 |
| 7 | |
| 8 | define void @test0(i64* %arg) { |
| 9 | bb: |
| 10 | br label %bb2 |
| 11 | |
| 12 | bb2: |
| 13 | %tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ] |
| 14 | %tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* null) |
| 15 | %tmp5 = load i32, i32* %tmp4, align 8 |
| 16 | %tmp7 = load i64*, i64** undef, align 8 |
| 17 | br label %bb2 |
| 18 | } |
| 19 | |
| 20 | ; CHECK-LABEL: void @test0 |
| 21 | ; CHECK: load i32, i32* null |
| 22 | |
| 23 | define void @test1(i64* %arg) { |
| 24 | bb: |
| 25 | br label %bb2 |
| 26 | |
| 27 | bb2: |
| 28 | %tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ] |
| 29 | %tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* inttoptr (i64 4 to i32*)) |
| 30 | %tmp5 = load i32, i32* %tmp4 |
| 31 | %tmp7 = load i64*, i64** undef, align 8 |
| 32 | br label %bb2 |
| 33 | } |
| 34 | |
| 35 | ; CHECK-LABEL: void @test1 |
| 36 | ; CHECK: load i32, i32* inttoptr (i64 4 to i32*) |
| 37 | |
| 38 | define void @test2(i64* %arg) { |
| 39 | bb: |
| 40 | br label %bb2 |
| 41 | |
| 42 | bb2: |
| 43 | %tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ] |
| 44 | %tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* @G) |
| 45 | %tmp5 = load i32, i32* %tmp4 |
| 46 | %tmp7 = load i64*, i64** undef, align 8 |
| 47 | br label %bb2 |
| 48 | } |
| 49 | |
| 50 | ; CHECK-LABEL: void @test2 |
| 51 | ; CHECK: load i32, i32* @G |
| 52 | |
| 53 | |
| 54 | define void @test3(i64* %arg, i32* %loop.invariant) { |
| 55 | bb: |
| 56 | br label %bb2 |
| 57 | |
| 58 | bb2: |
| 59 | %tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ] |
| 60 | %tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* %loop.invariant) |
| 61 | %tmp5 = load i32, i32* %tmp4 |
| 62 | %tmp7 = load i64*, i64** undef, align 8 |
| 63 | br label %bb2 |
| 64 | } |
| 65 | |
| 66 | ; CHECK-LABEL: void @test3 |
| 67 | ; CHECK: load i32, i32* %loop.invariant |
| 68 | |
| 69 | define void @test4(i64* %arg, i32* %loop.invariant, i64 %N) { |
| 70 | bb: |
| 71 | br label %bb2 |
| 72 | |
| 73 | bb2: |
| 74 | %tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ] |
| 75 | %mul = mul nsw i64 %N, 64 |
| 76 | %ptr = getelementptr inbounds i32, i32* %loop.invariant, i64 %mul |
| 77 | %tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* %ptr) |
| 78 | %tmp5 = load i32, i32* %tmp4 |
| 79 | %tmp7 = load i64*, i64** undef, align 8 |
| 80 | br label %bb2 |
| 81 | } |
| 82 | |
| 83 | ; CHECK-LABEL: void @test4 |
| 84 | ; CHECK: [[P:%[a-zA-Z$._0-9]+]] = getelementptr i32, i32* %loop.invariant |
| 85 | ; CHECK: phi |
| 86 | ; CHECK: load i32, i32* [[P]] |
| 87 | |
| 88 | declare i32* @wobble(i64*, i32* returned) |