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94 lines
2.8 KiB
LLVM
94 lines
2.8 KiB
LLVM
; RUN: llc -verify-machineinstrs -O0 -mcpu=ppc64 -mtriple=powerpc64-unknown-linux-gnu -fast-isel=false < %s | FileCheck %s
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; Test case for PR 14779: anonymous aggregates are not handled correctly.
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; Darwin bug report PR 15821 is similar.
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; The bug is triggered by passing a byval structure after an anonymous
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; aggregate.
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%tarray = type { i64, i8* }
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define i8* @func1({ i64, i8* } %array, i8* %ptr) {
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entry:
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%array_ptr = extractvalue {i64, i8* } %array, 1
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%cond = icmp eq i8* %array_ptr, %ptr
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br i1 %cond, label %equal, label %unequal
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equal:
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ret i8* %array_ptr
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unequal:
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ret i8* %ptr
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}
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; CHECK-LABEL: func1:
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; CHECK-DAG: std 3, -[[OFFSET1:[0-9]+]]
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; CHECK-DAG: std 5, -[[OFFSET2:[0-9]+]]
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; CHECK: cmpld {{([0-9]+,)?}}4, 5
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; CHECK: ld 3, -[[OFFSET1]](1)
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; CHECK: ld 3, -[[OFFSET2]](1)
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define i8* @func2({ i64, i8* } %array1, %tarray* byval %array2) {
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entry:
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%array1_ptr = extractvalue {i64, i8* } %array1, 1
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%tmp = getelementptr inbounds %tarray, %tarray* %array2, i32 0, i32 1
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%array2_ptr = load i8*, i8** %tmp
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%cond = icmp eq i8* %array1_ptr, %array2_ptr
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br i1 %cond, label %equal, label %unequal
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equal:
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ret i8* %array1_ptr
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unequal:
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ret i8* %array2_ptr
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}
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; CHECK-LABEL: func2:
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; CHECK-DAG: cmpld {{([0-9]+,)?}}4, 3
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; CHECK-DAG: std 6, 72(1)
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; CHECK-DAG: std 5, 64(1)
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; CHECK-DAG: std 3, -[[OFFSET1:[0-9]+]]
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; CHECK-DAG: std 3, -[[OFFSET2:[0-9]+]]
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; CHECK: ld 3, -[[OFFSET1]](1)
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; CHECK: ld 3, -[[OFFSET2]](1)
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define i8* @func3({ i64, i8* }* byval %array1, %tarray* byval %array2) {
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entry:
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%tmp1 = getelementptr inbounds { i64, i8* }, { i64, i8* }* %array1, i32 0, i32 1
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%array1_ptr = load i8*, i8** %tmp1
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%tmp2 = getelementptr inbounds %tarray, %tarray* %array2, i32 0, i32 1
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%array2_ptr = load i8*, i8** %tmp2
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%cond = icmp eq i8* %array1_ptr, %array2_ptr
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br i1 %cond, label %equal, label %unequal
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equal:
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ret i8* %array1_ptr
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unequal:
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ret i8* %array2_ptr
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}
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; CHECK-LABEL: func3:
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; CHECK-DAG: cmpld {{([0-9]+,)?}}3, 4
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; CHECK-DAG: std 3, -[[OFFSET2:[0-9]+]](1)
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; CHECK-DAG: std 4, -[[OFFSET1:[0-9]+]](1)
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; CHECK: ld 3, -[[OFFSET2]](1)
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; CHECK: ld 3, -[[OFFSET1]](1)
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define i8* @func4(i64 %p1, i64 %p2, i64 %p3, i64 %p4,
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i64 %p5, i64 %p6, i64 %p7, i64 %p8,
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{ i64, i8* } %array1, %tarray* byval %array2) {
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entry:
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%array1_ptr = extractvalue {i64, i8* } %array1, 1
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%tmp = getelementptr inbounds %tarray, %tarray* %array2, i32 0, i32 1
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%array2_ptr = load i8*, i8** %tmp
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%cond = icmp eq i8* %array1_ptr, %array2_ptr
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br i1 %cond, label %equal, label %unequal
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equal:
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ret i8* %array1_ptr
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unequal:
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ret i8* %array2_ptr
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}
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; CHECK-LABEL: func4:
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; CHECK-DAG: ld [[REG2:[0-9]+]], 120(1)
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; CHECK-DAG: ld [[REG3:[0-9]+]], 136(1)
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; CHECK-DAG: std [[REG2]], -[[OFFSET1:[0-9]+]](1)
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; CHECK: std [[REG3]], -[[OFFSET2:[0-9]+]](1)
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; CHECK: cmpld {{([0-9]+,)?}}[[REG2]], [[REG3]]
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; CHECK: ld 3, -[[OFFSET1]](1)
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; CHECK: ld 3, -[[OFFSET2]](1)
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