1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
; REQUIRES: asserts
; RUN: opt -passes=loop-vectorize -mtriple riscv64 -mattr=+v,+zvfbfmin -debug-only=loop-vectorize -riscv-v-register-bit-width-lmul=1 -S < %s 2>&1 | FileCheck %s
define void @add(ptr noalias nocapture readonly %src1, ptr noalias nocapture readonly %src2, i32 signext %size, ptr noalias nocapture writeonly %result) {
; CHECK-LABEL: add
; CHECK: LV(REG): Found max usage: 2 item
; CHECK-NEXT: LV(REG): RegisterClass: RISCV::GPRRC, 2 registers
; CHECK-NEXT: LV(REG): RegisterClass: RISCV::VRRC, 4 registers
; CHECK-NEXT: LV(REG): Found invariant usage: 1 item
; CHECK-NEXT: LV(REG): RegisterClass: RISCV::GPRRC, 1 registers
entry:
%conv = zext i32 %size to i64
%cmp10.not = icmp eq i32 %size, 0
br i1 %cmp10.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.011 = phi i64 [ %add4, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds bfloat, ptr %src1, i64 %i.011
%0 = load bfloat, ptr %arrayidx, align 4
%arrayidx2 = getelementptr inbounds bfloat, ptr %src2, i64 %i.011
%1 = load bfloat, ptr %arrayidx2, align 4
%add = fadd bfloat %0, %1
%arrayidx3 = getelementptr inbounds bfloat, ptr %result, i64 %i.011
store bfloat %add, ptr %arrayidx3, align 4
%add4 = add nuw nsw i64 %i.011, 1
%exitcond.not = icmp eq i64 %add4, %conv
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
|
