llvm-mirror/test/Transforms/InstCombine/ptr-int-cast.ll

; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"

define i1 @test1(i32 *%x) nounwind {
entry:
; CHECK: test1
; CHECK: ptrtoint i32* %x to i64
	%tmp = ptrtoint i32* %x to i1
	ret i1 %tmp
}

define i32* @test2(i128 %x) nounwind {
entry:
; CHECK: test2
; CHECK: inttoptr i64 %tmp1 to i32*
	%tmp = inttoptr i128 %x to i32*
	ret i32* %tmp
}

; PR3574
; CHECK: f0
; CHECK: %tmp = zext i32 %a0 to i64
; CHECK: ret i64 %tmp
define i64 @f0(i32 %a0) nounwind {
       %t0 = inttoptr i32 %a0 to i8*
       %t1 = ptrtoint i8* %t0 to i64
       ret i64 %t1
}
Convert this test to FileCheck and add a testcase for PR3574. llvm-svn: 96851 2010-02-23 02:28:09 +01:00			`; RUN: opt < %s -instcombine -S \| FileCheck %s`
Make opt default to not adding a target data string and update tests that depend on target data to supply it within the test llvm-svn: 85900 2009-11-03 16:29:06 +01:00			`target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"`
canonicalize inttoptr and ptrtoint instructions which cast pointers to/from integer types that are not intptr_t to convert to intptr_t then do an integer conversion to the dest type. This exposes the cast to the optimizer. llvm-svn: 67638 2009-03-24 19:35:40 +01:00
			`define i1 @test1(i32 *%x) nounwind {`
			`entry:`
Convert this test to FileCheck and add a testcase for PR3574. llvm-svn: 96851 2010-02-23 02:28:09 +01:00			`; CHECK: test1`
			`; CHECK: ptrtoint i32* %x to i64`
canonicalize inttoptr and ptrtoint instructions which cast pointers to/from integer types that are not intptr_t to convert to intptr_t then do an integer conversion to the dest type. This exposes the cast to the optimizer. llvm-svn: 67638 2009-03-24 19:35:40 +01:00			`%tmp = ptrtoint i32* %x to i1`
			`ret i1 %tmp`
			`}`

			`define i32* @test2(i128 %x) nounwind {`
			`entry:`
Convert this test to FileCheck and add a testcase for PR3574. llvm-svn: 96851 2010-02-23 02:28:09 +01:00			`; CHECK: test2`
			`; CHECK: inttoptr i64 %tmp1 to i32*`
canonicalize inttoptr and ptrtoint instructions which cast pointers to/from integer types that are not intptr_t to convert to intptr_t then do an integer conversion to the dest type. This exposes the cast to the optimizer. llvm-svn: 67638 2009-03-24 19:35:40 +01:00			`%tmp = inttoptr i128 %x to i32*`
			`ret i32* %tmp`
			`}`

Convert this test to FileCheck and add a testcase for PR3574. llvm-svn: 96851 2010-02-23 02:28:09 +01:00			`; PR3574`
			`; CHECK: f0`
			`; CHECK: %tmp = zext i32 %a0 to i64`
			`; CHECK: ret i64 %tmp`
			`define i64 @f0(i32 %a0) nounwind {`
			`%t0 = inttoptr i32 %a0 to i8*`
			`%t1 = ptrtoint i8* %t0 to i64`
			`ret i64 %t1`
			`}`