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llvm-mirror/test/CodeGen/X86/inline-asm-e-constraint.ll
Bill Wendling fa94d17420 Emit diagnostic if an inline asm constraint requires an immediate
Summary:
An inline asm call can result in an immediate after inlining. Therefore emit a
diagnostic here if constraint requires an immediate but one isn't supplied.

Reviewers: joerg, mgorny, efriedma, rsmith

Reviewed By: joerg

Subscribers: asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, s.egerton, MaskRay, jyknight, dylanmckay, javed.absar, fedor.sergeev, jrtc27, Jim, krytarowski, eraman, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60942

llvm-svn: 367750
2019-08-03 05:52:47 +00:00

18 lines
753 B
LLVM

; RUN: not llc -mtriple=x86_64-unknown-unknown -no-integrated-as < %s 2>&1 | FileCheck %s
%struct.s = type { i32, i32 }
@pr40890.s = internal global %struct.s zeroinitializer, align 4
; CHECK: error: invalid operand for inline asm constraint 'e'
; CHECK: error: invalid operand for inline asm constraint 'e'
define void @pr40890() {
entry:
; This pointer cannot be used as an integer constant expression.
tail call void asm sideeffect "\0A#define GLOBAL_A abcd$0\0A", "e,~{dirflag},~{fpsr},~{flags}"(i32* getelementptr inbounds (%struct.s, %struct.s* @pr40890.s, i64 0, i32 0))
; Floating-point is also not okay.
tail call void asm sideeffect "\0A#define PI abcd$0\0A", "e,~{dirflag},~{fpsr},~{flags}"(float 0x40091EB860000000)
ret void
}