55 lines
1.3 KiB
LLVM
55 lines
1.3 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
||
|
|
; RUN: llc -mtriple riscv64 -mattr=+m,+experimental-v < %s \
|
||
|
|
; RUN: | FileCheck %s
|
||
|
|
|
||
|
|
define i64 @vscale_zero() nounwind {
|
||
|
|
; CHECK-LABEL: vscale_zero:
|
||
|
|
; CHECK: # %bb.0: # %entry
|
||
|
|
; CHECK-NEXT: mv a0, zero
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
entry:
|
||
|
|
%0 = call i64 @llvm.vscale.i64()
|
||
|
|
%1 = mul i64 %0, 0
|
||
|
|
ret i64 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
define i64 @vscale_one() nounwind {
|
||
|
|
; CHECK-LABEL: vscale_one:
|
||
|
|
; CHECK: # %bb.0: # %entry
|
||
|
|
; CHECK-NEXT: csrr a0, vlenb
|
||
|
|
; CHECK-NEXT: srli a0, a0, 3
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
entry:
|
||
|
|
%0 = call i64 @llvm.vscale.i64()
|
||
|
|
%1 = mul i64 %0, 1
|
||
|
|
ret i64 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
define i64 @vscale_uimmpow2xlen() nounwind {
|
||
|
|
; CHECK-LABEL: vscale_uimmpow2xlen:
|
||
|
|
; CHECK: # %bb.0: # %entry
|
||
|
|
; CHECK-NEXT: csrr a0, vlenb
|
||
|
|
; CHECK-NEXT: slli a0, a0, 3
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
entry:
|
||
|
|
%0 = call i64 @llvm.vscale.i64()
|
||
|
|
%1 = mul i64 %0, 64
|
||
|
|
ret i64 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
define i64 @vscale_non_pow2() nounwind {
|
||
|
|
; CHECK-LABEL: vscale_non_pow2:
|
||
|
|
; CHECK: # %bb.0: # %entry
|
||
|
|
; CHECK-NEXT: csrr a0, vlenb
|
||
|
|
; CHECK-NEXT: srli a0, a0, 3
|
||
|
|
; CHECK-NEXT: addi a1, zero, 24
|
||
|
|
; CHECK-NEXT: mul a0, a0, a1
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
entry:
|
||
|
|
%0 = call i64 @llvm.vscale.i64()
|
||
|
|
%1 = mul i64 %0, 24
|
||
|
|
ret i64 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i64 @llvm.vscale.i64()
|