| Bruno Cardoso Lopes | a0112d0 | 2011-05-28 04:07:29 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=armv7-apple-darwin | FileCheck %s |
| 2 | ; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s |
| 3 | |
| 4 | %0 = type { i32, i32 } |
| 5 | |
| 6 | ; CHECK: f0: |
| 7 | ; CHECK: ldrexd |
| 8 | define i64 @f0(i8* %p) nounwind readonly { |
| 9 | entry: |
| 10 | %ldrexd = tail call %0 @llvm.arm.ldrexd(i8* %p) |
| 11 | %0 = extractvalue %0 %ldrexd, 1 |
| 12 | %1 = extractvalue %0 %ldrexd, 0 |
| 13 | %2 = zext i32 %0 to i64 |
| 14 | %3 = zext i32 %1 to i64 |
| 15 | %shl = shl nuw i64 %2, 32 |
| 16 | %4 = or i64 %shl, %3 |
| 17 | ret i64 %4 |
| 18 | } |
| 19 | |
| 20 | ; CHECK: f1: |
| 21 | ; CHECK: strexd |
| 22 | define i32 @f1(i8* %ptr, i64 %val) nounwind { |
| 23 | entry: |
| 24 | %tmp4 = trunc i64 %val to i32 |
| 25 | %tmp6 = lshr i64 %val, 32 |
| 26 | %tmp7 = trunc i64 %tmp6 to i32 |
| 27 | %strexd = tail call i32 @llvm.arm.strexd(i32 %tmp4, i32 %tmp7, i8* %ptr) |
| 28 | ret i32 %strexd |
| 29 | } |
| 30 | |
| 31 | declare %0 @llvm.arm.ldrexd(i8*) nounwind readonly |
| 32 | declare i32 @llvm.arm.strexd(i32, i32, i8*) nounwind |
| 33 | |