forked from OSchip/llvm-project
52 lines
1.5 KiB
LLVM
52 lines
1.5 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck %s
|
|
|
|
; Check that unused vregs aren't assigned registers.
|
|
|
|
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
|
|
target triple = "wasm32-unknown-unknown-wasm"
|
|
|
|
define void @foo(i32* nocapture %a, i32 %w, i32 %h) {
|
|
; CHECK-LABEL: foo:
|
|
; CHECK-NEXT: .param i32, i32, i32{{$}}
|
|
; CHECK-NEXT: .local i32, i32, i32, i32, i32, i32{{$}}
|
|
entry:
|
|
%cmp.19 = icmp sgt i32 %h, 0
|
|
br i1 %cmp.19, label %for.cond.1.preheader.lr.ph, label %for.end.7
|
|
|
|
for.cond.1.preheader.lr.ph:
|
|
%cmp2.17 = icmp sgt i32 %w, 0
|
|
br label %for.cond.1.preheader
|
|
|
|
for.cond.1.preheader:
|
|
%y.020 = phi i32 [ 0, %for.cond.1.preheader.lr.ph ], [ %inc6, %for.inc.5 ]
|
|
br i1 %cmp2.17, label %for.body.3.lr.ph, label %for.inc.5
|
|
|
|
for.body.3.lr.ph:
|
|
%mul4 = mul nsw i32 %y.020, %w
|
|
br label %for.body.3
|
|
|
|
for.body.3:
|
|
%x.018 = phi i32 [ 0, %for.body.3.lr.ph ], [ %inc, %for.body.3 ]
|
|
%mul = mul nsw i32 %x.018, %y.020
|
|
%add = add nsw i32 %x.018, %mul4
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i32 %add
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
%inc = add nuw nsw i32 %x.018, 1
|
|
%exitcond = icmp eq i32 %inc, %w
|
|
br i1 %exitcond, label %for.inc.5.loopexit, label %for.body.3
|
|
|
|
for.inc.5.loopexit:
|
|
br label %for.inc.5
|
|
|
|
for.inc.5:
|
|
%inc6 = add nuw nsw i32 %y.020, 1
|
|
%exitcond22 = icmp eq i32 %inc6, %h
|
|
br i1 %exitcond22, label %for.end.7.loopexit, label %for.cond.1.preheader
|
|
|
|
for.end.7.loopexit:
|
|
br label %for.end.7
|
|
|
|
for.end.7:
|
|
ret void
|
|
}
|