1 ; RUN: llc < %s -mtriple=armv7-apple-darwin10 | FileCheck %s 2 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 | FileCheck %s 3 4 define void @func(i32 %argc, i8** %argv) nounwind { 5 entry: 6 %argc.addr = alloca i32 ; <i32*> [#uses=1] 7 %argv.addr = alloca i8** ; <i8***> [#uses=1] 8 %val1 = alloca i32 ; <i32*> [#uses=2] 9 %val2 = alloca i32 ; <i32*> [#uses=15] 10 %andt = alloca i32 ; <i32*> [#uses=2] 11 %ort = alloca i32 ; <i32*> [#uses=2] 12 %xort = alloca i32 ; <i32*> [#uses=2] 13 %old = alloca i32 ; <i32*> [#uses=18] 14 %temp = alloca i32 ; <i32*> [#uses=2] 15 store i32 %argc, i32* %argc.addr 16 store i8** %argv, i8*** %argv.addr 17 store i32 0, i32* %val1 18 store i32 31, i32* %val2 19 store i32 3855, i32* %andt 20 store i32 3855, i32* %ort 21 store i32 3855, i32* %xort 22 store i32 4, i32* %temp 23 %tmp = load i32* %temp 24 ; CHECK: ldrex 25 ; CHECK: add 26 ; CHECK: strex 27 call i32 @llvm.atomic.load.add.i32.p0i32( i32* %val1, i32 %tmp ) ; <i32>:0 [#uses=1] 28 store i32 %0, i32* %old 29 ; CHECK: ldrex 30 ; CHECK: sub 31 ; CHECK: strex 32 call i32 @llvm.atomic.load.sub.i32.p0i32( i32* %val2, i32 30 ) ; <i32>:1 [#uses=1] 33 store i32 %1, i32* %old 34 ; CHECK: ldrex 35 ; CHECK: add 36 ; CHECK: strex 37 call i32 @llvm.atomic.load.add.i32.p0i32( i32* %val2, i32 1 ) ; <i32>:2 [#uses=1] 38 store i32 %2, i32* %old 39 ; CHECK: ldrex 40 ; CHECK: sub 41 ; CHECK: strex 42 call i32 @llvm.atomic.load.sub.i32.p0i32( i32* %val2, i32 1 ) ; <i32>:3 [#uses=1] 43 store i32 %3, i32* %old 44 ; CHECK: ldrex 45 ; CHECK: and 46 ; CHECK: strex 47 call i32 @llvm.atomic.load.and.i32.p0i32( i32* %andt, i32 4080 ) ; <i32>:4 [#uses=1] 48 store i32 %4, i32* %old 49 ; CHECK: ldrex 50 ; CHECK: or 51 ; CHECK: strex 52 call i32 @llvm.atomic.load.or.i32.p0i32( i32* %ort, i32 4080 ) ; <i32>:5 [#uses=1] 53 store i32 %5, i32* %old 54 ; CHECK: ldrex 55 ; CHECK: eor 56 ; CHECK: strex 57 call i32 @llvm.atomic.load.xor.i32.p0i32( i32* %xort, i32 4080 ) ; <i32>:6 [#uses=1] 58 store i32 %6, i32* %old 59 ; CHECK: ldrex 60 ; CHECK: cmp 61 ; CHECK: strex 62 call i32 @llvm.atomic.load.min.i32.p0i32( i32* %val2, i32 16 ) ; <i32>:7 [#uses=1] 63 store i32 %7, i32* %old 64 %neg = sub i32 0, 1 ; <i32> [#uses=1] 65 ; CHECK: ldrex 66 ; CHECK: cmp 67 ; CHECK: strex 68 call i32 @llvm.atomic.load.min.i32.p0i32( i32* %val2, i32 %neg ) ; <i32>:8 [#uses=1] 69 store i32 %8, i32* %old 70 ; CHECK: ldrex 71 ; CHECK: cmp 72 ; CHECK: strex 73 call i32 @llvm.atomic.load.max.i32.p0i32( i32* %val2, i32 1 ) ; <i32>:9 [#uses=1] 74 store i32 %9, i32* %old 75 ; CHECK: ldrex 76 ; CHECK: cmp 77 ; CHECK: strex 78 call i32 @llvm.atomic.load.max.i32.p0i32( i32* %val2, i32 0 ) ; <i32>:10 [#uses=1] 79 store i32 %10, i32* %old 80 ret void 81 } 82 83 declare i32 @llvm.atomic.load.add.i32.p0i32(i32*, i32) nounwind 84 85 declare i32 @llvm.atomic.load.sub.i32.p0i32(i32*, i32) nounwind 86 87 declare i32 @llvm.atomic.load.and.i32.p0i32(i32*, i32) nounwind 88 89 declare i32 @llvm.atomic.load.or.i32.p0i32(i32*, i32) nounwind 90 91 declare i32 @llvm.atomic.load.xor.i32.p0i32(i32*, i32) nounwind 92 93 declare i32 @llvm.atomic.load.min.i32.p0i32(i32*, i32) nounwind 94 95 declare i32 @llvm.atomic.load.max.i32.p0i32(i32*, i32) nounwind 96 97 declare i32 @llvm.atomic.load.umax.i32.p0i32(i32*, i32) nounwind 98 99 declare i32 @llvm.atomic.load.umin.i32.p0i32(i32*, i32) nounwind 100 101 declare i32 @llvm.atomic.swap.i32.p0i32(i32*, i32) nounwind 102 103 declare i32 @llvm.atomic.cmp.swap.i32.p0i32(i32*, i32, i32) nounwind 104
