56 lines
2.3 KiB
LLVM
56 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=sroa -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64"
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define { i32, i32 } @test0(i32 %x, i32 %y, { i32, i32 } %v) {
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; CHECK-LABEL: @test0(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[V_FCA_0_EXTRACT:%.*]] = extractvalue { i32, i32 } [[V:%.*]], 0
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; CHECK-NEXT: [[V_FCA_1_EXTRACT:%.*]] = extractvalue { i32, i32 } [[V]], 1
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; CHECK-NEXT: [[RESULT_FCA_0_INSERT:%.*]] = insertvalue { i32, i32 } poison, i32 [[X:%.*]], 0
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; CHECK-NEXT: [[RESULT_FCA_1_INSERT:%.*]] = insertvalue { i32, i32 } [[RESULT_FCA_0_INSERT]], i32 [[Y:%.*]], 1
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; CHECK-NEXT: ret { i32, i32 } [[RESULT_FCA_1_INSERT]]
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;
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entry:
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%a = alloca { i32, i32 }
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store { i32, i32 } %v, ptr %a
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%gep1 = getelementptr inbounds { i32, i32 }, ptr %a, i32 0, i32 0
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store i32 %x, ptr %gep1
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%gep2 = getelementptr inbounds { i32, i32 }, ptr %a, i32 0, i32 1
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store i32 %y, ptr %gep2
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%result = load { i32, i32 }, ptr %a
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ret { i32, i32 } %result
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}
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define { i32, i32 } @test1(i32 %x, i32 %y) {
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; FIXME: This may be too conservative. Duncan argues that we are allowed to
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; split the volatile load and store here but must produce volatile scalar loads
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; and stores from them.
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = alloca { i32, i32 }, align 8
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; CHECK-NEXT: [[B:%.*]] = alloca { i32, i32 }, align 8
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; CHECK-NEXT: store i32 [[X:%.*]], ptr [[A]], align 8
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; CHECK-NEXT: [[A_4_GEP2_SROA_IDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 4
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; CHECK-NEXT: store i32 [[Y:%.*]], ptr [[A_4_GEP2_SROA_IDX]], align 4
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; CHECK-NEXT: [[A_0_RESULT:%.*]] = load volatile { i32, i32 }, ptr [[A]], align 8
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; CHECK-NEXT: store volatile { i32, i32 } [[A_0_RESULT]], ptr [[B]], align 8
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; CHECK-NEXT: ret { i32, i32 } [[A_0_RESULT]]
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;
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entry:
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%a = alloca { i32, i32 }
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%b = alloca { i32, i32 }
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%gep1 = getelementptr inbounds { i32, i32 }, ptr %a, i32 0, i32 0
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store i32 %x, ptr %gep1
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%gep2 = getelementptr inbounds { i32, i32 }, ptr %a, i32 0, i32 1
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store i32 %y, ptr %gep2
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%result = load volatile { i32, i32 }, ptr %a
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store volatile { i32, i32 } %result, ptr %b
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ret { i32, i32 } %result
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}
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