xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/2009-04-09-RegScavengerAsm.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=arm-eabi %s -o /dev/null
2*9880d681SAndroid Build Coastguard Worker; PR3954
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine void @foo(...) nounwind {
5*9880d681SAndroid Build Coastguard Workerentry:
6*9880d681SAndroid Build Coastguard Worker	%rr = alloca i32		; <i32*> [#uses=2]
7*9880d681SAndroid Build Coastguard Worker	%0 = load i32, i32* %rr		; <i32> [#uses=1]
8*9880d681SAndroid Build Coastguard Worker	%1 = call i32 asm "nop", "=r,0"(i32 %0) nounwind		; <i32> [#uses=1]
9*9880d681SAndroid Build Coastguard Worker	store i32 %1, i32* %rr
10*9880d681SAndroid Build Coastguard Worker	br label %return
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerreturn:		; preds = %entry
13*9880d681SAndroid Build Coastguard Worker	ret void
14*9880d681SAndroid Build Coastguard Worker}
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