xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/vec-extract-02.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Verify ReplaceExtractVectorEltOfLoadWithNarrowedLoad fixes
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; Test a case where a vector extraction can be simplified to a scalar load.
6*9880d681SAndroid Build Coastguard Worker; The index must be extended from i32 to i64.
7*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(<4 x i32> *%ptr, i32 %index) {
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
9*9880d681SAndroid Build Coastguard Worker; CHECK: risbgn {{%r[0-5]}}, %r3, 30, 189, 2
10*9880d681SAndroid Build Coastguard Worker; CHECK: l %r2,
11*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
12*9880d681SAndroid Build Coastguard Worker  %vec = load <4 x i32>, <4 x i32> *%ptr
13*9880d681SAndroid Build Coastguard Worker  %res = extractelement <4 x i32> %vec, i32 %index
14*9880d681SAndroid Build Coastguard Worker  ret i32 %res
15*9880d681SAndroid Build Coastguard Worker}
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