fallback: legalize: G_LOAD <2 x s64>,p0

Run:	main-04ca53e65f-20261014-105623
Kind:	fallback
Category:	legalize: G_LOAD <2 x s64>,p0
Occurrences:	62 in 31 configs, 9 test files
Snippet from:	nontemporal.ll @test_nontemporal_load_v2i64 via llvm-extract
Config:	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
Local check:	reproduces at 04ca53e65f
Compiler Explorer:	not uploaded (over --godbolt-limit or disabled)

Snippet:

define <2 x i64> @test_nontemporal_load_v2i64(ptr %p) {
  %1 = load <2 x i64>, ptr %p, align 16, !nontemporal !0
  ret <2 x i64> %1
}

!0 = !{i32 1}

Reproduce:

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

Local llc output:

remark: <unknown>:0:0: unable to legalize instruction: %2:_(<2 x s64>) = G_LOAD %0:_(p0) :: (non-temporal "riscv-nontemporal-domain-bit-0" "riscv-nontemporal-domain-bit-1" load (<2 x s64>) from %ir.p) (in function: test_nontemporal_load_v2i64)
warning: Instruction selection used fallback path for test_nontemporal_load_v2i64

Occurrences (62) (first 50):

Input	Function	Config
nontemporal.ll	test_nontemporal_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_P1_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_P1_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_PALL_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_PALL_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_S1_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_S1_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_ALL_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_ALL_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_P1_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_P1_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_PALL_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_PALL_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_S1_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_S1_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_ALL_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_ALL_store_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_P1_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_PALL_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_S1_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_ALL_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh`
nontemporal.ll	test_nontemporal_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_P1_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_PALL_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_S1_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+c`
nontemporal.ll	test_nontemporal_ALL_load_v2i64	`-mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+c`
branch-opt.47ca3ccae6.ll (mutant of branch-opt.ll)	u_case1_a	`-mtriple=riscv64 -mattr=+zbs -O2 -verify-machineinstrs`
branch-opt.a861a57272.ll (mutant of branch-opt.ll)	u_case1_a	`-mtriple=riscv32 -mattr=+zbs -O2 -verify-machineinstrs`
branch_zero.d4dde892e1.ll (mutant of branch_zero.ll)	foo	`-mtriple=riscv64 -verify-machineinstrs`
double-br-fcmp.41a78e8255.ll (mutant of double-br-fcmp.ll)	br_fcmp_one	`-mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs -target-abi=lp64`
double-br-fcmp.5bea871ebd.ll (mutant of double-br-fcmp.ll)	br_fcmp_one	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi=ilp32d`
double-br-fcmp.9166a5c32f.ll (mutant of double-br-fcmp.ll)	br_fcmp_one	`-mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi=lp64d`
double-br-fcmp.d94a031379.ll (mutant of double-br-fcmp.ll)	br_fcmp_one	`-mtriple=riscv32 -mattr=+zdinx -verify-machineinstrs -target-abi=ilp32`
fold-addi-loadstore.607d92cfe4.ll (mutant of fold-addi-loadstore.ll)	load_ba_1	`-mtriple=riscv64 -verify-machineinstrs`
fold-addi-loadstore.66eb57ae44.ll (mutant of fold-addi-loadstore.ll)	load_ba_1	`-mtriple=riscv32 -verify-machineinstrs -code-model=medium`
fold-addi-loadstore.671f83c86b.ll (mutant of fold-addi-loadstore.ll)	load_ba_1	`-mtriple=riscv32 -verify-machineinstrs`
fold-addi-loadstore.80e66ef4c7.ll (mutant of fold-addi-loadstore.ll)	load_ba_1	`-mtriple=riscv32 -verify-machineinstrs -mattr=+xqcili<`
fold-addi-loadstore.bdd4e75e45.ll (mutant of fold-addi-loadstore.ll)	load_ba_1	`-mtriple=riscv64 -verify-machineinstrs -code-model=medium`
fold-addi-loadstore.f13cf843f2.ll (mutant of fold-addi-loadstore.ll)	load_ba_1	`-mtriple=riscv64 -verify-machineinstrs -code-model=large`
half-br-fcmp.2baec8863f.ll (mutant of half-br-fcmp.ll)	br_fcmp_one	`-mtriple=riscv32 -mattr=+zfh -verify-machineinstrs -target-abi ilp32f`
half-br-fcmp.a09c634ffd.ll (mutant of half-br-fcmp.ll)	br_fcmp_one	`-mtriple=riscv64 -mattr=+zfhmin -verify-machineinstrs -target-abi lp64f`
half-br-fcmp.df328eea3a.ll (mutant of half-br-fcmp.ll)	br_fcmp_one	`-mtriple=riscv32 -mattr=+zfhmin -verify-machineinstrs -target-abi ilp32f`
half-br-fcmp.e959de86f2.ll (mutant of half-br-fcmp.ll)	br_fcmp_one	`-mtriple=riscv64 -mattr=+zfh -verify-machineinstrs -target-abi lp64f`
module-asm-features.8d6227d827.ll (mutant of module-asm-features.ll)	f	`-mtriple=riscv64-unknown-linux-gnu -mattr=+d`
module-asm-features.cd7b7ed651.ll (mutant of module-asm-features.ll)	f	`-mtriple=riscv64-unknown-linux-gnu`
nontemporal.264bc3ae4a.ll (mutant of nontemporal.ll)	test_nontemporal_PALL_load_v2i64	`-mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh`

Generated 2026-10-15 08:05 UTC.