fallback: translate: call llvm.masked.load.nxv2i64.p0

Run:explore-bc8218b282-20261015-075519
Kind:fallback
Category:translate: call llvm.masked.load.nxv2i64.p0
Occurrences:10 in 2 configs, 1 test files
Snippet from:nontemporal-scalable.ll @test_nontemporal_masked_load_nxv2i64 via llvm-extract
Config:-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v
Local check:reproduces at bc8218b282
Compiler Explorer:not uploaded (over --godbolt-limit or disabled)

Snippet:

define <vscale x 2 x i64> @test_nontemporal_masked_load_nxv2i64(ptr %p, <vscale x 2 x i1> %m) {
  %1 = call <vscale x 2 x i64> @llvm.masked.load.nxv2i64.p0(ptr align 8 %p, <vscale x 2 x i1> %m, <vscale x 2 x i64> zeroinitializer), !nontemporal !0
  ret <vscale x 2 x i64> %1
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: read)
declare <vscale x 2 x i64> @llvm.masked.load.nxv2i64.p0(ptr captures(none), <vscale x 2 x i1>, <vscale x 2 x i64>) #0

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: read) }

!0 = !{i32 1}

Reproduce:

llc -mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v -global-isel=0 snippet.ll -o -

Local llc output:

remark: <unknown>:0:0: unable to translate instruction: call llvm.masked.load.nxv2i64.p0: '  %1 = call <vscale x 2 x i64> @llvm.masked.load.nxv2i64.p0(ptr align 8 %p, <vscale x 2 x i1> %m, <vscale x 2 x i64> zeroinitializer), !nontemporal !1' (in function: test_nontemporal_masked_load_nxv2i64)
warning: Instruction selection used fallback path for test_nontemporal_masked_load_nxv2i64

Occurrences (10):

InputFunctionConfig
nontemporal-scalable.lltest_nontemporal_masked_load_nxv2i64-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_P1_masked_load_nxv2i64-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_PALL_masked_load_nxv2i64-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_S1_masked_load_nxv2i64-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_ALL_masked_load_nxv2i64-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_masked_load_nxv2i64-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_P1_masked_load_nxv2i64-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_PALL_masked_load_nxv2i64-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_S1_masked_load_nxv2i64-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+v
nontemporal-scalable.lltest_nontemporal_ALL_masked_load_nxv2i64-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+v

Generated 2026-10-15 08:05 UTC.