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|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
define void @nop_test() {
entry:
; CHECK-LABEL: nop_test:
; 2
; CHECK: bcr 0, %r0
; 4
; CHECK: bc 0, 0
; 6
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; 8
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: bcr 0, %r0
; 10
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: bc 0, 0
; 12
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; 14
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: bcr 0, %r0
; 16
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: bc 0, 0
; 18
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; 20
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: bcr 0, %r0
; 22
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: bc 0, 0
; 24
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; 26
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: bcr 0, %r0
; 28
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: bc 0, 0
; 30
; CHECK: .Ltmp
; CHECK-NEXT: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
; CHECK: [[LAB:.Ltmp[0-9]+]]:
; CHECK-NEXT: brcl 0, [[LAB]]
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 2, i32 2)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 4, i32 4)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 6, i32 6)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 8, i32 8)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 10, i32 10)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 12)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 14)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 16)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 18, i32 18)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 20, i32 20)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 22, i32 22)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 24, i32 24)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 26, i32 26)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 28, i32 28)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 30, i32 30)
; Add an extra stackmap with a zero-length shadow to thwart the shadow
; optimization. This will force all bytes of the previous shadow to be
; padded with nops.
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 31, i32 0)
ret void
}
declare void @llvm.experimental.stackmap(i64, i32, ...)
|
