mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-23 15:29:51 +00:00
49deebb5eb
The PPC backend doesn't handle these correctly. This patch uses logic similar to that in the X86 and ARM backends to track these arguments properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175635 91177308-0d34-0410-b5e6-96231b3b80d8
100 lines
2.9 KiB
LLVM
100 lines
2.9 KiB
LLVM
; RUN: llc -O0 -mcpu=pwr7 -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s
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; Test case for PR 14779: anonymous aggregates are not handled correctly.
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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: func1:
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; CHECK: cmpld {{[0-9]+}}, 4, 5
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; CHECK: std 4, -[[OFFSET1:[0-9]+]]
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; CHECK: std 5, -[[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* @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* %array2, i32 0, i32 1
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%array2_ptr = load 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: func2:
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; CHECK: addi [[REG1:[0-9]+]], 1, 64
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; CHECK: ld [[REG2:[0-9]+]], 8([[REG1]])
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; CHECK: cmpld {{[0-9]+}}, 4, [[REG2]]
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; CHECK: std [[REG2]], -[[OFFSET1:[0-9]+]]
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; CHECK: std 4, -[[OFFSET2:[0-9]+]]
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; CHECK: ld 3, -[[OFFSET2]](1)
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; CHECK: ld 3, -[[OFFSET1]](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* }* %array1, i32 0, i32 1
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%array1_ptr = load i8** %tmp1
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%tmp2 = getelementptr inbounds %tarray* %array2, i32 0, i32 1
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%array2_ptr = load 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: func3:
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; CHECK: addi [[REG1:[0-9]+]], 1, 64
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; CHECK: addi [[REG2:[0-9]+]], 1, 48
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; CHECK: ld [[REG3:[0-9]+]], 8([[REG1]])
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; CHECK: ld [[REG4:[0-9]+]], 8([[REG2]])
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; CHECK: cmpld {{[0-9]+}}, [[REG4]], [[REG3]]
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; CHECK: std [[REG3]], -[[OFFSET1:[0-9]+]](1)
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; CHECK: std [[REG4]], -[[OFFSET2:[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* %array2, i32 0, i32 1
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%array2_ptr = load 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: func4:
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; CHECK: addi [[REG1:[0-9]+]], 1, 128
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; CHECK: ld [[REG2:[0-9]+]], 120(1)
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; CHECK: ld [[REG3:[0-9]+]], 8([[REG1]])
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; CHECK: cmpld {{[0-9]+}}, [[REG2]], [[REG3]]
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; CHECK: std [[REG2]], -[[OFFSET1:[0-9]+]](1)
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; CHECK: std [[REG3]], -[[OFFSET2:[0-9]+]](1)
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; CHECK: ld 3, -[[OFFSET1]](1)
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; CHECK: ld 3, -[[OFFSET2]](1)
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