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// RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-unknown \
// RUN: -verify -complex-range=promoted -o - | FileCheck %s
// RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-unknown \
// RUN: -verify=nopromotion -complex-range=promoted -target-feature -x87 \
// RUN: -o - | FileCheck %s --check-prefix=NOX87
// RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-windows \
// RUN: -verify=nopromotion -complex-range=promoted -o - \
// RUN: | FileCheck %s --check-prefix=NOX87
// RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-windows \
// RUN: -verify=nopromotion -complex-range=promoted -target-feature -x87 \
// RUN: -o - | FileCheck %s --check-prefix=NOX87
// expected-no-diagnostics
// CHECK-LABEL: define dso_local <2 x float> @divd
_Complex float divd(_Complex float a, _Complex float b) {
// CHECK: fpext float {{.*}} to double
// CHECK: fpext float {{.*}} to double
// CHECK: fdiv double
// CHECK: fdiv double
// CHECK: fptrunc double {{.*}} to float
// CHECK: fptrunc double {{.*}} to float
// NOX87: fpext float {{.*}} to double
// NOX87: fpext float {{.*}} to double
// NOX87: fdiv double
// NOX87: fdiv double
// NOX87: fptrunc double {{.*}} to float
// NOX87: fptrunc double {{.*}} to float
return a / b;
}
// CHECK-LABEL: define dso_local { double, double } @divf
_Complex double divf(_Complex double a, _Complex double b) {
// CHECK: fpext double {{.*}} to x86_fp80
// CHECK: fpext double {{.*}} to x86_fp80
// CHECK: fdiv x86_fp80
// CHECK: fdiv x86_fp80
// CHECK: fptrunc x86_fp80
// CHECK: fptrunc x86_fp80
// NOX87: call double @llvm.fabs.f64(double {{.*}})
// NOX87-NEXT: call double @llvm.fabs.f64(double {{.*}})
// NOX87-NEXT: fcmp ugt double %{{.*}}, {{.*}}
// NOX87-NEXT: br i1 {{.*}}, label
// NOX87: abs_rhsr_greater_or_equal_abs_rhsi:
// NOX87-NEXT: fdiv double
// NOX87-NEXT: fmul double
// NOX87-NEXT: fadd double
// NOX87-NEXT: fmul double
// NOX87-NEXT: fadd double
// NOX87-NEXT: fdiv double
// NOX87-NEXT: fmul double
// NOX87-NEXT: fsub double
// NOX87-NEXT: fdiv double
// NOX87-NEXT: br label {{.*}}
// NOX87: abs_rhsr_less_than_abs_rhsi:
// NOX87-NEXT: fdiv double
// NOX87-NEXT: fmul double
// NOX87-NEXT: fadd double
// NOX87-NEXT: fmul double
// NOX87-NEXT: fadd double
// NOX87-NEXT: fdiv double
// NOX87-NEXT: fmul double
// NOX87-NEXT: fsub double
// NOX87-NEXT: fdiv double
// NOX87-NEXT: br label
// NOX87: complex_div:
// NOX87-NEXT: phi double
// NOX87-NEXT: phi double
// NOX87-NEXT: getelementptr inbounds nuw { double, double }, ptr {{.*}}, i32 0, i32 0
// NOX87-NEXT: getelementptr inbounds nuw { double, double }, ptr {{.*}}, i32 0, i32 1
// NOX87-NEXT: store double
// NOX87-NEXT: store double
return a / b; // nopromotion-warning{{excess precision is requested but the target does not support excess precision which may result in observable differences in complex division behavior}}
}
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