| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -mtriple=i686-linux-gnu -atomic-expand %s | FileCheck %s |
| |
| define double @atomic_xchg_f64(double* %ptr) nounwind { |
| ; CHECK-LABEL: @atomic_xchg_f64( |
| ; CHECK-NEXT: [[TMP1:%.*]] = load double, double* [[PTR:%.*]], align 8 |
| ; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]] |
| ; CHECK: atomicrmw.start: |
| ; CHECK-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP5:%.*]], [[ATOMICRMW_START]] ] |
| ; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[PTR]] to i64* |
| ; CHECK-NEXT: [[TMP3:%.*]] = bitcast double [[LOADED]] to i64 |
| ; CHECK-NEXT: [[TMP4:%.*]] = cmpxchg i64* [[TMP2]], i64 [[TMP3]], i64 4616189618054758400 seq_cst seq_cst |
| ; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP4]], 1 |
| ; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP4]], 0 |
| ; CHECK-NEXT: [[TMP5]] = bitcast i64 [[NEWLOADED]] to double |
| ; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]] |
| ; CHECK: atomicrmw.end: |
| ; CHECK-NEXT: ret double [[TMP5]] |
| ; |
| %result = atomicrmw xchg double* %ptr, double 4.0 seq_cst |
| ret double %result |
| } |
| |
| define double @atomic_xchg_f64_as1(double addrspace(1)* %ptr) nounwind { |
| ; CHECK-LABEL: @atomic_xchg_f64_as1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = load double, double addrspace(1)* [[PTR:%.*]], align 8 |
| ; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]] |
| ; CHECK: atomicrmw.start: |
| ; CHECK-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP5:%.*]], [[ATOMICRMW_START]] ] |
| ; CHECK-NEXT: [[TMP2:%.*]] = bitcast double addrspace(1)* [[PTR]] to i64 addrspace(1)* |
| ; CHECK-NEXT: [[TMP3:%.*]] = bitcast double [[LOADED]] to i64 |
| ; CHECK-NEXT: [[TMP4:%.*]] = cmpxchg i64 addrspace(1)* [[TMP2]], i64 [[TMP3]], i64 4616189618054758400 seq_cst seq_cst |
| ; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP4]], 1 |
| ; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP4]], 0 |
| ; CHECK-NEXT: [[TMP5]] = bitcast i64 [[NEWLOADED]] to double |
| ; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]] |
| ; CHECK: atomicrmw.end: |
| ; CHECK-NEXT: ret double [[TMP5]] |
| ; |
| %result = atomicrmw xchg double addrspace(1)* %ptr, double 4.0 seq_cst |
| ret double %result |
| } |