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llvm-project/llvm/test/CodeGen/X86/deopt-intrinsic.ll

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Add lowering support for llvm.experimental.deoptimize Summary: Only adds support for "naked" calls to llvm.experimental.deoptimize. Support for round-tripping through RewriteStatepointsForGC will come as a separate patch (should be simpler than this one). Reviewers: reames Subscribers: sanjoy, mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D18429 llvm-svn: 264329
2016-03-25 04:23:29 +08:00
; RUN: llc < %s | FileCheck %s
; RUN: llc -debug-only=stackmaps < %s 2>&1 | FileCheck --check-prefix=STACKMAPS %s
; REQUIRES: asserts
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"
declare i32 @llvm.experimental.deoptimize.i32(...)
declare i8 @llvm.experimental.deoptimize.i8(...)
define i32 @caller_0() {
; CHECK-LABEL: _caller_0:
; CHECK-NEXT: {{.+cfi.+}}
; CHECK-NEXT: ##{{.+}}
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: {{Ltmp[0-9]+}}:
; CHECK-NEXT: {{.+cfi.+}}
; CHECK-NEXT: callq ___llvm_deoptimize
; CHECK-NEXT: {{Ltmp[0-9]+}}:
entry:
%v = call i32(...) @llvm.experimental.deoptimize.i32() [ "deopt"(i32 0) ]
ret i32 %v
}
define i8 @caller_1() {
; CHECK-LABEL: _caller_1:
; CHECK-NEXT: {{.+cfi.+}}
; CHECK-NEXT: ##{{.+}}
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: {{Ltmp[0-9]+}}:
; CHECK-NEXT: {{.+cfi.+}}
; CHECK-NEXT: movss {{[a-zA-Z0-9_]+}}(%rip), %xmm0 ## xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: movl $42, %edi
; CHECK-NEXT: callq ___llvm_deoptimize
; CHECK-NEXT: {{Ltmp[0-9]+}}:
entry:
%v = call i8(...) @llvm.experimental.deoptimize.i8(i32 42, float 500.0) [ "deopt"(i32 1) ]
ret i8 %v
}
; STACKMAPS: Stack Maps: callsites:
; STACKMAPS-NEXT: Stack Maps: callsite 2882400015
; STACKMAPS-NEXT: Stack Maps: has 4 locations
; STACKMAPS-NEXT: Stack Maps: Loc 0: Constant 0 [encoding: .byte 4, .byte 8, .short 0, .int 0]
; STACKMAPS-NEXT: Stack Maps: Loc 1: Constant 0 [encoding: .byte 4, .byte 8, .short 0, .int 0]
; STACKMAPS-NEXT: Stack Maps: Loc 2: Constant 1 [encoding: .byte 4, .byte 8, .short 0, .int 1]
; STACKMAPS-NEXT: Stack Maps: Loc 3: Constant 0 [encoding: .byte 4, .byte 8, .short 0, .int 0]
; STACKMAPS-NEXT: Stack Maps: has 0 live-out registers
; STACKMAPS-NEXT: Stack Maps: callsite 2882400015
; STACKMAPS-NEXT: Stack Maps: has 4 locations
; STACKMAPS-NEXT: Stack Maps: Loc 0: Constant 0 [encoding: .byte 4, .byte 8, .short 0, .int 0]
; STACKMAPS-NEXT: Stack Maps: Loc 1: Constant 0 [encoding: .byte 4, .byte 8, .short 0, .int 0]
; STACKMAPS-NEXT: Stack Maps: Loc 2: Constant 1 [encoding: .byte 4, .byte 8, .short 0, .int 1]
; STACKMAPS-NEXT: Stack Maps: Loc 3: Constant 1 [encoding: .byte 4, .byte 8, .short 0, .int 1]
; STACKMAPS-NEXT: Stack Maps: has 0 live-out registers