xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/load-select.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker@a = constant [2 x i32] [i32 3, i32 6]            ; <[2 x i32]*> [#uses=2]
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine i32 @b(i32 %y) nounwind readonly {
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @b(
9*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: load
10*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  %0 = icmp eq i32 %y, 0                          ; <i1> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker  %storemerge = select i1 %0, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i32 0, i32 1), i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i32 0, i32 0) ; <i32*> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker  %1 = load i32, i32* %storemerge, align 4             ; <i32> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker  ret i32 %1
16*9880d681SAndroid Build Coastguard Worker}
17