// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -mreassociate -o - %s \ // RUN: | FileCheck --check-prefix CHECK %s // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -mreassociate -o - %s \ // RUN: | FileCheck --check-prefix CHECK %s // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -mreassociate \ // RUN: -fprotect-parens -ffp-contract=on -o - %s \ // RUN: | FileCheck --check-prefix CHECK %s template T addAF(T a, T b) { return __arithmetic_fence(a + b); } int addit(float a, float b) { // CHECK-LABEL: define {{.*}} @{{.*}}additff(float {{.*}}, float {{.*}}) #0 { float af = addAF(a,b); // CHECK: [[ADDR_A:%.*]] = alloca float, align 4 // CHECK-NEXT: [[ADDR_B:%.*]] = alloca float, align 4 // CHECK-NEXT: [[AF:%.*]] = alloca float, align 4 // CHECK-NEXT: store float {{.*}}, ptr [[ADDR_A]], align 4 // CHECK-NEXT: store float {{.*}}, ptr [[ADDR_B]], align 4 // CHECK-NEXT: [[TEMP_A:%.*]] = load float, ptr [[ADDR_A]], align 4 // CHECK-NEXT: [[TEMP_B:%.*]] = load float, ptr [[ADDR_B]], align 4 // CHECK-NEXT: [[CALL2:%.*]] = call reassoc noundef float @_Z5addAFIfET_S0_S0_(float noundef [[TEMP_A]], float noundef [[TEMP_B]]) // CHECK-NEXT: store float [[CALL2]], ptr [[AF]], align 4 return 0; // CHECK-NEXT ret i32 0 } // CHECK-LABEL: define linkonce_odr noundef float @_Z5addAFIfET_S0_S0_(float noundef {{.*}}, float noundef {{.*}}) // CHECK: [[A:%.*]] = alloca float, align 4 // CHECK-NEXT: [[B:%.*]] = alloca float, align 4 // CHECK-NEXT: store float {{.*}}, ptr [[A]], align 4 // CHECK-NEXT: store float {{.*}}, ptr [[B]], align 4 // CHECK-NEXT: [[Z1:%.*]] = load float, ptr [[A]], align 4 // CHECK-NEXT: [[Z2:%.*]] = load float, ptr [[B]], align 4 // CHECK-NEXT: [[ADD:%.*]] = fadd reassoc float [[Z1]], [[Z2]] // CHECK-NEXT: [[RES:%.*]] = call reassoc float @llvm.arithmetic.fence.f32(float [[ADD]]) // CHECK: ret float [[RES]]