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| ; PR28852: Check machine code sinking is not stopped by SUBREG_TO_REG.
; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK: foo
; CHECK-NOT: imull
; CHECK: retq
; CHECK: imull
define void @foo(i64 %value, i32 %kLengthBits, i32* nocapture %bits, i64* nocapture %bit_buffer_64, i32 %x) local_unnamed_addr {
entry:
%mul = mul i32 %x, %kLengthBits
%add = add i32 %mul, 3
%conv = zext i32 %add to i64
%mul2 = mul nuw nsw i64 %conv, 5
%sub = sub i64 64, %value
%conv4 = trunc i64 %sub to i32
%tmp0 = load i32, i32* %bits, align 4
%cmp = icmp ult i32 %tmp0, %conv4
br i1 %cmp, label %if.then, label %if.end, !prof !0
if.then: ; preds = %entry
%add7 = add i64 %mul2, %value
%tmp1 = load i64, i64* %bit_buffer_64, align 8
%add8 = add i64 %add7, %tmp1
store i64 %add8, i64* %bit_buffer_64, align 8
%conv9 = trunc i64 %mul2 to i32
store i32 %conv9, i32* %bits, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
!0 = !{!"branch_weights", i32 1, i32 2000}
|