xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/undef-sext.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; No need to sign-extend undef.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i32 @t(i32* %a) nounwind {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t:
8*9880d681SAndroid Build Coastguard Worker; CHECK: ldr r0, [r0]
9*9880d681SAndroid Build Coastguard Worker; CHECK: bx lr
10*9880d681SAndroid Build Coastguard Worker  %0 = sext i16 undef to i32
11*9880d681SAndroid Build Coastguard Worker  %1 = getelementptr inbounds i32, i32* %a, i32 %0
12*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* %1, align 4
13*9880d681SAndroid Build Coastguard Worker  ret i32 %2
14*9880d681SAndroid Build Coastguard Worker}
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