xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/fold-zext-trunc.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; PR9055
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
4*9880d681SAndroid Build Coastguard Workertarget triple = "i686-pc-linux-gnu"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker%struct.S0 = type { i32, [2 x i8], [2 x i8], [4 x i8] }
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker@g_98 = common global %struct.S0 zeroinitializer, align 4
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine void @foo() nounwind {
11*9880d681SAndroid Build Coastguard Worker; CHECK: movzbl
12*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: movzbl
13*9880d681SAndroid Build Coastguard Worker; CHECK: calll
14*9880d681SAndroid Build Coastguard Workerentry:
15*9880d681SAndroid Build Coastguard Worker  %tmp17 = load i8, i8* getelementptr inbounds (%struct.S0, %struct.S0* @g_98, i32 0, i32 1, i32 0), align 4
16*9880d681SAndroid Build Coastguard Worker  %tmp54 = zext i8 %tmp17 to i32
17*9880d681SAndroid Build Coastguard Worker  %foo = load i32, i32* bitcast (i8* getelementptr inbounds (%struct.S0, %struct.S0* @g_98, i32 0, i32 1, i32 0) to i32*), align 4
18*9880d681SAndroid Build Coastguard Worker  %conv.i = trunc i32 %foo to i8
19*9880d681SAndroid Build Coastguard Worker  tail call void @func_12(i32 %tmp54, i8 zeroext %conv.i) nounwind
20*9880d681SAndroid Build Coastguard Worker  ret void
21*9880d681SAndroid Build Coastguard Worker}
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerdeclare void @func_12(i32, i8 zeroext)
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