xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/sext-subreg.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86-64 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; rdar://7529457
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine i64 @t(i64 %A, i64 %B, i32* %P, i64 *%P2) nounwind {
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t:
6*9880d681SAndroid Build Coastguard Worker; CHECK: movslq %e{{.*}}, %rax
7*9880d681SAndroid Build Coastguard Worker; CHECK: movq %rax
8*9880d681SAndroid Build Coastguard Worker; CHECK: movl %eax
9*9880d681SAndroid Build Coastguard Worker  %C = add i64 %A, %B
10*9880d681SAndroid Build Coastguard Worker  %D = trunc i64 %C to i32
11*9880d681SAndroid Build Coastguard Worker  store volatile i32 %D, i32* %P
12*9880d681SAndroid Build Coastguard Worker  %E = shl i64 %C, 32
13*9880d681SAndroid Build Coastguard Worker  %F = ashr i64 %E, 32
14*9880d681SAndroid Build Coastguard Worker  store volatile i64 %F, i64 *%P2
15*9880d681SAndroid Build Coastguard Worker  store volatile i32 %D, i32* %P
16*9880d681SAndroid Build Coastguard Worker  ret i64 undef
17*9880d681SAndroid Build Coastguard Worker}
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