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[InstCombine] Additional test for PR35354, NFC.

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llvm-svn: 319436
This commit is contained in:
Alexey Bataev 2017-11-30 14:33:58 +00:00
parent 2e610cd470
commit d60250dd9b
1 changed files with 17 additions and 0 deletions
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17
llvm/test/Transforms/InstCombine/load-bitcast-select.ll
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@ -68,3 +68,20 @@ define i32 @store_bitcasted_load(i1 %cond, float* dereferenceable(4) %addr1, flo
%ld = load i32, i32* %bc1
ret i32 %ld
}
define void @bitcasted_store(i1 %cond, float* %loadaddr1, float* %loadaddr2, float* %storeaddr) {
; CHECK-LABEL: @bitcasted_store(
; CHECK-NEXT: [[SEL:%.*]] = select i1 [[COND:%.*]], float* [[LOADADDR1:%.*]], float* [[LOADADDR2:%.*]]
; CHECK-NEXT: [[INT_LOAD_ADDR:%.*]] = bitcast float* [[SEL]] to i32*
; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[INT_LOAD_ADDR]], align 4
; CHECK-NEXT: [[INT_STORE_ADDR:%.*]] = bitcast float* [[STOREADDR:%.*]] to i32*
; CHECK-NEXT: store i32 [[LD]], i32* [[INT_STORE_ADDR]], align 4
; CHECK-NEXT: ret void
;
%sel = select i1 %cond, float* %loadaddr1, float* %loadaddr2
%int_load_addr = bitcast float* %sel to i32*
%ld = load i32, i32* %int_load_addr
%int_store_addr = bitcast float* %storeaddr to i32*
store i32 %ld, i32* %int_store_addr
ret void
}