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We get the P modifier wrong in a lot of cases, just add some more rigorous testing.

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In addition to fixing this, I still need to do some more testing on darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75362 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-07-11 08:30:22 +00:00
parent ed338e80f9
commit 238f5100c6
1 changed files with 58 additions and 29 deletions
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87
test/CodeGen/X86/asm-modifier-P.ll
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@ -1,50 +1,79 @@
; RUN: llvm-as < %s | llc -march=x86-64 | FileCheck %s -check-prefix=CHECK-64
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-apple-darwin9 -relocation-model=pic | FileCheck %s -check-prefix=CHECK-32
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-unknown-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-PIC-32
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-unknown-linux-gnu -relocation-model=static | FileCheck %s -check-prefix=CHECK-STATIC-32
; RUN: llvm-as < %s | llc -march=x86-64 -relocation-model=static | FileCheck %s -check-prefix=CHECK-STATIC-64
; RUN: llvm-as < %s | llc -march=x86-64 -relocation-model=pic | FileCheck %s -check-prefix=CHECK-PIC-64
; PR3379
; XFAIL: *
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
@per_cpu__cpu_number = external global i32 ; <i32*> [#uses=1]
@G = external global i32 ; <i32*> [#uses=1]
declare void @bar(...)
define i32 @test1() nounwind {
; extern int G;
; void test1() {
; asm("frob %0 x" : : "m"(G));
; asm("frob %P0 x" : : "m"(G));
;}
define void @test1() nounwind {
entry:
; Should have a rip suffix.
; CHECK-64: test1:
; CHECK-64: movl %gs:per_cpu__cpu_number(%rip),%eax
; P suffix removes (rip) in -static 64-bit mode.
; CHECK-32: test1:
; CHECK-32: movl %gs:(%eax),%eax
%A = call i32 asm "movl %gs:$1,$0",
"=r,*m"(i32* @per_cpu__cpu_number) nounwind
ret i32 %A
}
; CHECK-PIC-64: test1:
; CHECK-PIC-64: movq G@GOTPCREL(%rip), %rax
; CHECK-PIC-64: frob (%rax) x
; CHECK-PIC-64: frob (%rax) x
define i32 @test2() nounwind {
entry:
; Should not have a rip suffix because of the P modifier.
; CHECK-64: test2:
; CHECK-64: movl %gs:per_cpu__cpu_number,%eax
; CHECK-STATIC-64: test1:
; CHECK-STATIC-64: frob G(%rip) x
; CHECK-STATIC-64: frob G x
; CHECK-32: test2:
; CHECK-32: movl %gs:(%eax),%eax
; CHECK-PIC-32: test1:
; CHECK-PIC-32: frob G x
; CHECK-PIC-32: frob G x
%A = call i32 asm "movl %gs:${1:P},$0",
"=r,*m"(i32* @per_cpu__cpu_number) nounwind
ret i32 %A
; CHECK-STATIC-32: test1:
; CHECK-STATIC-32: frob G x
; CHECK-STATIC-32: frob G x
call void asm "frob $0 x", "*m"(i32* @G) nounwind
call void asm "frob ${0:P} x", "*m"(i32* @G) nounwind
ret void
}
define void @test3() nounwind {
entry:
; CHECK-64: test3:
; CHECK-64: call bar
; CHECK-64: call test3
; CHECK-STATIC-64: test3:
; CHECK-STATIC-64: call bar
; CHECK-STATIC-64: call test3
; CHECK-STATIC-64: call $bar
; CHECK-STATIC-64: call $test3
; CHECK-32: test3:
; CHECK-32: call _bar
; CHECK-32: call _test3
; CHECK-STATIC-32: test3:
; CHECK-STATIC-32: call bar
; CHECK-STATIC-32: call test3
; CHECK-STATIC-32: call $bar
; CHECK-STATIC-32: call $test3
; CHECK-PIC-64: test3:
; CHECK-PIC-64: call bar@PLT
; CHECK-PIC-64: call test3@PLT
; CHECK-PIC-64: call $bar
; CHECK-PIC-64: call $test3
; CHECK-PIC-32: test3:
; CHECK-PIC-32: call bar@PLT
; CHECK-PIC-32: call test3@PLT
; CHECK-PIC-32: call $bar
; CHECK-PIC-32: call $test3
; asm(" blah %P0" : : "X"(bar));
tail call void asm sideeffect "call ${0:P}", "X"(void (...)* @bar) nounwind
tail call void asm sideeffect "call ${0:P}", "X"(void (...)* bitcast (void ()* @test3 to void (...)*)) nounwind
tail call void asm sideeffect "call $0", "X"(void (...)* @bar) nounwind
tail call void asm sideeffect "call $0", "X"(void (...)* bitcast (void ()* @test3 to void (...)*)) nounwind
ret void
}