xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/fast-isel-movsbl-indexreg.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc %s -o - -verify-machineinstrs -fast-isel=true | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-unknown"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; The index register on the folded memory operand was incorrect.  Ensure we generate
7*9880d681SAndroid Build Coastguard Worker; movsbl in fast-isel, but also that it passes verification which will check the register
8*9880d681SAndroid Build Coastguard Worker; class.
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker; CHECK: movsbl
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Worker@table = external hidden global [64 x i8], align 16
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i32 %x, i64 %offset) {
15*9880d681SAndroid Build Coastguard Workerbb:
16*9880d681SAndroid Build Coastguard Worker  %tmp37 = getelementptr inbounds [64 x i8], [64 x i8]* @table, i64 0, i64 %offset
17*9880d681SAndroid Build Coastguard Worker  %tmp38 = load i8, i8* %tmp37, align 1
18*9880d681SAndroid Build Coastguard Worker  %tmp39 = sext i8 %tmp38 to i32
19*9880d681SAndroid Build Coastguard Worker  ret i32 %tmp39
20*9880d681SAndroid Build Coastguard Worker}
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