1 ; PR28852: Check machine code sinking is not stopped by SUBREG_TO_REG.
2 ; RUN: llc < %s | FileCheck %s
4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
12 define void @foo(i64 %value, i32 %kLengthBits, i32* nocapture %bits, i64* nocapture %bit_buffer_64, i32 %x) local_unnamed_addr {
14 %mul = mul i32 %x, %kLengthBits
15 %add = add i32 %mul, 3
16 %conv = zext i32 %add to i64
17 %mul2 = mul nuw nsw i64 %conv, 5
18 %sub = sub i64 64, %value
19 %conv4 = trunc i64 %sub to i32
20 %tmp0 = load i32, i32* %bits, align 4
21 %cmp = icmp ult i32 %tmp0, %conv4
22 br i1 %cmp, label %if.then, label %if.end, !prof !0
24 if.then: ; preds = %entry
25 %add7 = add i64 %mul2, %value
26 %tmp1 = load i64, i64* %bit_buffer_64, align 8
27 %add8 = add i64 %add7, %tmp1
28 store i64 %add8, i64* %bit_buffer_64, align 8
29 %conv9 = trunc i64 %mul2 to i32
30 store i32 %conv9, i32* %bits, align 4
33 if.end: ; preds = %if.then, %entry
37 !0 = !{!"branch_weights", i32 1, i32 2000}