File: disable-tail-merge.ll

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llvm-toolchain-13 1%3A13.0.1-6~deb11u1
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; RUN: llc -march=mipsel < %s | FileCheck %s

@g0 = common global i32 0, align 4
@g1 = common global i32 0, align 4

; CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 23
; CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 23

define i32 @test1(i32 %a) {
entry:
  %tobool = icmp eq i32 %a, 0
  %0 = load i32, i32* @g0, align 4
  br i1 %tobool, label %if.else, label %if.then

if.then:
  %add = add nsw i32 %0, 1
  store i32 %add, i32* @g0, align 4
  %1 = load i32, i32* @g1, align 4
  %add1 = add nsw i32 %1, 23
  br label %if.end

if.else:
  %add2 = add nsw i32 %0, 11
  store i32 %add2, i32* @g0, align 4
  %2 = load i32, i32* @g1, align 4
  %add3 = add nsw i32 %2, 23
  br label %if.end

if.end:
  %storemerge = phi i32 [ %add3, %if.else ], [ %add1, %if.then ]
  store i32 %storemerge, i32* @g1, align 4
  ret i32 %storemerge
}