xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/fast-isel-constant.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86-64 -O0 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Make sure fast-isel doesn't reset the materialised constant map
3*9880d681SAndroid Build Coastguard Worker; across an intrinsic call.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK: movl	$100000
6*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: movl	$100000
7*9880d681SAndroid Build Coastguard Workerdefine i1 @test1(i32 %v1, i32 %v2, i32* %X) nounwind {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker  %a = shl i32 100000, %v1
10*9880d681SAndroid Build Coastguard Worker  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %a, i32 %v2)
11*9880d681SAndroid Build Coastguard Worker  %ext = extractvalue {i32, i1} %t, 0
12*9880d681SAndroid Build Coastguard Worker  %sum = shl i32 100000, %ext
13*9880d681SAndroid Build Coastguard Worker  %obit = extractvalue {i32, i1} %t, 1
14*9880d681SAndroid Build Coastguard Worker  br i1 %obit, label %overflow, label %normal
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workernormal:
17*9880d681SAndroid Build Coastguard Worker  store i32 %sum, i32* %X
18*9880d681SAndroid Build Coastguard Worker  br label %overflow
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workeroverflow:
21*9880d681SAndroid Build Coastguard Worker  ret i1 false
22*9880d681SAndroid Build Coastguard Worker}
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerdeclare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)
25