| ; RUN: llc < %s -mtriple=armv7-apple-darwin | FileCheck %s |
| ; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s |
| |
| %0 = type { i32, i32 } |
| |
| ; CHECK: f0: |
| ; CHECK: ldrexd |
| define i64 @f0(i8* %p) nounwind readonly { |
| entry: |
| %ldrexd = tail call %0 @llvm.arm.ldrexd(i8* %p) |
| %0 = extractvalue %0 %ldrexd, 1 |
| %1 = extractvalue %0 %ldrexd, 0 |
| %2 = zext i32 %0 to i64 |
| %3 = zext i32 %1 to i64 |
| %shl = shl nuw i64 %2, 32 |
| %4 = or i64 %shl, %3 |
| ret i64 %4 |
| } |
| |
| ; CHECK: f1: |
| ; CHECK: strexd |
| define i32 @f1(i8* %ptr, i64 %val) nounwind { |
| entry: |
| %tmp4 = trunc i64 %val to i32 |
| %tmp6 = lshr i64 %val, 32 |
| %tmp7 = trunc i64 %tmp6 to i32 |
| %strexd = tail call i32 @llvm.arm.strexd(i32 %tmp4, i32 %tmp7, i8* %ptr) |
| ret i32 %strexd |
| } |
| |
| declare %0 @llvm.arm.ldrexd(i8*) nounwind readonly |
| declare i32 @llvm.arm.strexd(i32, i32, i8*) nounwind |
| |
