Files
clang-p2996/llvm/test/CodeGen/PowerPC/ppcsoftops.ll
Kishan Parmar 696ea67f19 Disable call to fma for soft-float
PowerPC backend generate calls to libc function calls
for soft-float, regardless of the -nostdlib /-ffreestanding flag.
fma is not a function provided by compiler-rt builtins and
thus should not be generated here.
PR : [[ https://github.com/llvm/llvm-project/issues/55230 | #55230 ]]

Below is patch given by @nemanjai

Reviewed By: jhibbits

Differential Revision: https://reviews.llvm.org/D156344
2023-09-28 14:06:54 +05:30

76 lines
2.1 KiB
LLVM

; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-linux-gnu -O0 < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O0 < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O0 < %s | FileCheck %s
; Testing operations in soft-float mode
define double @foo() #0 {
entry:
%a = alloca double, align 8
%b = alloca double, align 8
%0 = load double, ptr %a, align 8
%1 = load double, ptr %b, align 8
%add = fadd double %0, %1
ret double %add
; CHECK-LABEL: __adddf3
}
define double @foo1() #0 {
entry:
%a = alloca double, align 8
%b = alloca double, align 8
%0 = load double, ptr %a, align 8
%1 = load double, ptr %b, align 8
%mul = fmul double %0, %1
ret double %mul
; CHECK-LABEL: __muldf3
}
define double @foo2() #0 {
entry:
%a = alloca double, align 8
%b = alloca double, align 8
%0 = load double, ptr %a, align 8
%1 = load double, ptr %b, align 8
%sub = fsub double %0, %1
ret double %sub
; CHECK-LABEL: __subdf3
}
define double @foo3() #0 {
entry:
%a = alloca double, align 8
%b = alloca double, align 8
%0 = load double, ptr %a, align 8
%1 = load double, ptr %b, align 8
%div = fdiv double %0, %1
ret double %div
; CHECK-LABEL: __divdf3
}
; Function Attrs: noinline nounwind optnone uwtable
define dso_local zeroext i32 @func(double noundef %0, double noundef %1) #0 {
%3 = alloca double, align 8
%4 = alloca double, align 8
store double %0, ptr %3, align 8
store double %1, ptr %4, align 8
%5 = load double, ptr %3, align 8
%6 = load double, ptr %4, align 8
%7 = fneg double %6
%8 = call double @llvm.fmuladd.f64(double %7, double 0x41F0000000000000, double %5)
%9 = fptoui double %8 to i32
ret i32 %9
; CHECK-LABEL: __muldf3
; CHECK-LABEL: __adddf3
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1
attributes #0 = {"use-soft-float"="true" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }