fallback: translate: call llvm.experimental.constrained.minnum.f64

Run:	main-04ca53e65f-20261014-113325
Kind:	fallback
Category:	translate: call llvm.experimental.constrained.minnum.f64
Occurrences:	24 in 6 configs, 2 test files
Snippet from:	double-arith-strict.ll @fmin_d via llvm-extract
Config:	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32d`
Local check:	reproduces at 04ca53e65f
Compiler Explorer:	not uploaded (over --godbolt-limit or disabled)

Snippet:

; Function Attrs: nounwind strictfp
define double @fmin_d(double %a, double %b) #0 {
  %1 = call double @llvm.experimental.constrained.minnum.f64(double %a, double %b, metadata !"fpexcept.strict") #2
  ret double %1
}

; Function Attrs: nocallback nofree nosync nounwind strictfp willreturn memory(inaccessiblemem: readwrite)
declare double @llvm.experimental.constrained.minnum.f64(double, double, metadata) #1

attributes #0 = { nounwind strictfp }
attributes #1 = { nocallback nofree nosync nounwind strictfp willreturn memory(inaccessiblemem: readwrite) }
attributes #2 = { strictfp }

Reproduce:

llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32d -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32d -global-isel=0 snippet.ll -o -

Local llc output:

remark: <unknown>:0:0: unable to translate instruction: call llvm.experimental.constrained.minnum.f64: '  %1 = call double @llvm.experimental.constrained.minnum.f64(double %a, double %b, metadata !"fpexcept.strict") #2' (in function: fmin_d)
warning: Instruction selection used fallback path for fmin_d

Occurrences (24):

Input	Function	Config
double-arith-strict.ll	fmin_d	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32d`
double-arith-strict.ll	fmin_d	`-mtriple=riscv32 -mattr=+zdinx -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32`
double-arith-strict.ll	fmin_d	`-mtriple=riscv32 -verify-machineinstrs -disable-strictnode-mutation`
double-arith-strict.ll	fmin_d	`-mtriple=riscv64 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=lp64d`
double-arith-strict.ll	fmin_d	`-mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs -disable-strictnode-mutation -target-abi=lp64`
double-arith-strict.ll	fmin_d	`-mtriple=riscv64 -verify-machineinstrs -disable-strictnode-mutation`
double-intrinsics-strict.ll	minnum_f64	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32d`
double-intrinsics-strict.ll	minnum_f64	`-mtriple=riscv32 -mattr=+zdinx -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32`
double-intrinsics-strict.ll	minnum_f64	`-mtriple=riscv32 -verify-machineinstrs -disable-strictnode-mutation`
double-intrinsics-strict.ll	minnum_f64	`-mtriple=riscv64 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=lp64d`
double-intrinsics-strict.ll	minnum_f64	`-mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs -disable-strictnode-mutation -target-abi=lp64`
double-intrinsics-strict.ll	minnum_f64	`-mtriple=riscv64 -verify-machineinstrs -disable-strictnode-mutation`
double-arith-strict.155e174e8e.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv64 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=lp64d`
double-arith-strict.5fb163b146.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv64 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=lp64d`
double-arith-strict.91672cc5e3.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs -disable-strictnode-mutation -target-abi=lp64`
double-arith-strict.9840ae0fe6.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32d`
double-arith-strict.9f5e3e3a3f.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv64 -verify-machineinstrs -disable-strictnode-mutation`
double-arith-strict.c69e920cc3.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv32 -verify-machineinstrs -disable-strictnode-mutation`
double-arith-strict.d25e4aefcc.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv64 -verify-machineinstrs -disable-strictnode-mutation`
double-arith-strict.ec770d9565.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv32 -verify-machineinstrs -disable-strictnode-mutation`
double-arith-strict.f1a60da8d2.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv32 -mattr=+zdinx -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32`
double-arith-strict.f4e4db7c5d.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv32 -mattr=+zdinx -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32`
double-arith-strict.f51e7caccb.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -disable-strictnode-mutation -target-abi=ilp32d`
double-arith-strict.ff18c88537.ll (mutant of double-arith-strict.ll)	fmin_d	`-mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs -disable-strictnode-mutation -target-abi=lp64`

Generated 2026-10-15 08:05 UTC.