Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

94 lines
2.8 KiB
LLVM

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