mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
9c2d178707
This fixes a bug reported here: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20150309/265341.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231948 91177308-0d34-0410-b5e6-96231b3b80d8
90 lines
2.5 KiB
LLVM
90 lines
2.5 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
target datalayout = "e-p:32:32"
|
|
target triple = "i686-pc-linux-gnu"
|
|
|
|
define i32 @main() {
|
|
; CHECK-LABEL: @main
|
|
; CHECK: %[[call:.*]] = call i8* @ctime(i32* null)
|
|
; CHECK: %[[cast:.*]] = ptrtoint i8* %[[call]] to i32
|
|
; CHECK: ret i32 %[[cast]]
|
|
entry:
|
|
%tmp = call i32 bitcast (i8* (i32*)* @ctime to i32 (i32*)*)( i32* null ) ; <i32> [#uses=1]
|
|
ret i32 %tmp
|
|
}
|
|
|
|
declare i8* @ctime(i32*)
|
|
|
|
define internal { i8 } @foo(i32*) {
|
|
entry:
|
|
ret { i8 } { i8 0 }
|
|
}
|
|
|
|
define void @test_struct_ret() {
|
|
; CHECK-LABEL: @test_struct_ret
|
|
; CHECK-NOT: bitcast
|
|
entry:
|
|
%0 = call { i8 } bitcast ({ i8 } (i32*)* @foo to { i8 } (i16*)*)(i16* null)
|
|
ret void
|
|
}
|
|
|
|
declare i32 @fn1(i32)
|
|
|
|
define i32 @test1(i32* %a) {
|
|
; CHECK-LABEL: @test1
|
|
; CHECK: %[[cast:.*]] = ptrtoint i32* %a to i32
|
|
; CHECK-NEXT: %[[call:.*]] = tail call i32 @fn1(i32 %[[cast]])
|
|
; CHECK-NEXT: ret i32 %[[call]]
|
|
entry:
|
|
%call = tail call i32 bitcast (i32 (i32)* @fn1 to i32 (i32*)*)(i32* %a)
|
|
ret i32 %call
|
|
}
|
|
|
|
declare i32 @fn2(i16)
|
|
|
|
define i32 @test2(i32* %a) {
|
|
; CHECK-LABEL: @test2
|
|
; CHECK: %[[call:.*]] = tail call i32 bitcast (i32 (i16)* @fn2 to i32 (i32*)*)(i32* %a)
|
|
; CHECK-NEXT: ret i32 %[[call]]
|
|
entry:
|
|
%call = tail call i32 bitcast (i32 (i16)* @fn2 to i32 (i32*)*)(i32* %a)
|
|
ret i32 %call
|
|
}
|
|
|
|
declare i32 @fn3(i64)
|
|
|
|
define i32 @test3(i32* %a) {
|
|
; CHECK-LABEL: @test3
|
|
; CHECK: %[[call:.*]] = tail call i32 bitcast (i32 (i64)* @fn3 to i32 (i32*)*)(i32* %a)
|
|
; CHECK-NEXT: ret i32 %[[call]]
|
|
entry:
|
|
%call = tail call i32 bitcast (i32 (i64)* @fn3 to i32 (i32*)*)(i32* %a)
|
|
ret i32 %call
|
|
}
|
|
|
|
declare i32 @fn4(i32) "thunk"
|
|
|
|
define i32 @test4(i32* %a) {
|
|
; CHECK-LABEL: @test4
|
|
; CHECK: %[[call:.*]] = tail call i32 bitcast (i32 (i32)* @fn4 to i32 (i32*)*)(i32* %a)
|
|
; CHECK-NEXT: ret i32 %[[call]]
|
|
entry:
|
|
%call = tail call i32 bitcast (i32 (i32)* @fn4 to i32 (i32*)*)(i32* %a)
|
|
ret i32 %call
|
|
}
|
|
|
|
declare i1 @fn5({ i32, i32 }* byval align 4 %r)
|
|
|
|
define i1 @test5() {
|
|
; CHECK-LABEL: @test5
|
|
; CHECK: %[[call:.*]] = call i1 bitcast (i1 ({ i32, i32 }*)* @fn5 to i1 (i32, i32)*)(i32 {{.*}}, i32 {{.*}})
|
|
; CHECK-NEXT: ret i1 %[[call]]
|
|
%1 = alloca { i32, i32 }, align 4
|
|
%2 = getelementptr inbounds { i32, i32 }, { i32, i32 }* %1, i32 0, i32 0
|
|
%3 = load i32, i32* %2, align 4
|
|
%4 = getelementptr inbounds { i32, i32 }, { i32, i32 }* %1, i32 0, i32 1
|
|
%5 = load i32, i32* %4, align 4
|
|
%6 = call i1 bitcast (i1 ({ i32, i32 }*)* @fn5 to i1 (i32, i32)*)(i32 %3, i32 %5)
|
|
ret i1 %6
|
|
}
|