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llvm-mirror/test/CodeGen/WebAssembly/dead-vreg.ll
Thomas Lively 81bb5f99ad [WebAssembly] Remove datalayout strings from llc tests
The data layout strings do not have any effect on llc tests and will become
misleadingly out of date as we continue to update the canonical data layout, so
remove them from the tests.

Differential Revision: https://reviews.llvm.org/D105842
2021-07-14 11:17:08 -07:00

51 lines
1.4 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck %s
; Check that unused vregs aren't assigned registers.
target triple = "wasm32-unknown-unknown"
define void @foo(i32* nocapture %a, i32 %w, i32 %h) {
; CHECK-LABEL: foo:
; CHECK-NEXT: .functype foo (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
}