; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -mtriple=armv7-apple-ios7.0 -atomic-expand %s | FileCheck %s define float @test_atomicrmw_fadd_f32(float* %ptr, float %value) { ; CHECK-LABEL: @test_atomicrmw_fadd_f32( ; CHECK-NEXT: call void @llvm.arm.dmb(i32 11) ; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[PTR:%.*]], align 4 ; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]] ; CHECK: atomicrmw.start: ; CHECK-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ] ; CHECK-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[PTR]] to i32* ; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32 ; CHECK-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32 ; CHECK-NEXT: [[TMP5:%.*]] = cmpxchg i32* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] monotonic monotonic ; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1 ; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0 ; CHECK-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float ; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]] ; CHECK: atomicrmw.end: ; CHECK-NEXT: call void @llvm.arm.dmb(i32 11) ; CHECK-NEXT: ret float [[TMP6]] ; %res = atomicrmw fadd float* %ptr, float %value seq_cst ret float %res } define float @test_atomicrmw_fsub_f32(float* %ptr, float %value) { ; CHECK-LABEL: @test_atomicrmw_fsub_f32( ; CHECK-NEXT: call void @llvm.arm.dmb(i32 11) ; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[PTR:%.*]], align 4 ; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]] ; CHECK: atomicrmw.start: ; CHECK-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ] ; CHECK-NEXT: [[NEW:%.*]] = fsub float [[LOADED]], [[VALUE:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[PTR]] to i32* ; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32 ; CHECK-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32 ; CHECK-NEXT: [[TMP5:%.*]] = cmpxchg i32* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] monotonic monotonic ; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1 ; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0 ; CHECK-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float ; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]] ; CHECK: atomicrmw.end: ; CHECK-NEXT: call void @llvm.arm.dmb(i32 11) ; CHECK-NEXT: ret float [[TMP6]] ; %res = atomicrmw fsub float* %ptr, float %value seq_cst ret float %res }