xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/h-registers-2.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Use an h register, but don't omit the explicit shift for
4*9880d681SAndroid Build Coastguard Worker; non-address use(s).
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine i32 @foo(i8* %x, i32 %y) nounwind {
7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: foo:
8*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ret
9*9880d681SAndroid Build Coastguard Worker; CHECK: movzbl %{{[abcd]h}},
10*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ret
11*9880d681SAndroid Build Coastguard Worker; CHECK: shll $3,
12*9880d681SAndroid Build Coastguard Worker; CHECK: ret
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Worker	%t0 = lshr i32 %y, 8		; <i32> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker	%t1 = and i32 %t0, 255		; <i32> [#uses=2]
16*9880d681SAndroid Build Coastguard Worker  %t2 = shl i32 %t1, 3
17*9880d681SAndroid Build Coastguard Worker	%t3 = getelementptr i8, i8* %x, i32 %t2		; <i8*> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker	store i8 77, i8* %t3, align 4
19*9880d681SAndroid Build Coastguard Worker	ret i32 %t2
20*9880d681SAndroid Build Coastguard Worker}
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