stackmap-nops.ll
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; RUN: llc -mtriple=x86_64-apple-darwin -mcpu=znver1 -frame-pointer=all -filetype=obj %s -o - | llvm-objdump -d - | FileCheck %s
; RUN: llc -mtriple=x86_64-apple-darwin -mcpu=znver1 -frame-pointer=all -filetype=asm %s -o - | llvm-mc -triple=x86_64-apple-darwin -mcpu=znver1 -filetype=obj - | llvm-objdump -d - | FileCheck %s
define void @nop_test() {
entry:
; CHECK: 0: 55
; CHECK: 1: 48 89 e5
; CHECK: 4: 90
; CHECK: 5: 66 90
; CHECK: 7: 0f 1f 00
; CHECK: a: 0f 1f 40 08
; CHECK: e: 0f 1f 44 00 08
; CHECK: 13: 66 0f 1f 44 00 08
; CHECK: 19: 0f 1f 80 00 02 00 00
; CHECK: 20: 0f 1f 84 00 00 02 00 00
; CHECK: 28: 66 0f 1f 84 00 00 02 00 00
; CHECK: 31: 2e 66 0f 1f 84 00 00 02 00 00
; CHECK: 3b: 66 2e 66 0f 1f 84 00 00 02 00 00
; CHECK: 46: 66 66 2e 66 0f 1f 84 00 00 02 00 00
; CHECK: 52: 66 66 66 2e 66 0f 1f 84 00 00 02 00 00
; CHECK: 5f: 66 66 66 66 2e 66 0f 1f 84 00 00 02 00 00
; CHECK: 6d: 66 66 66 66 66 2e 66 0f 1f 84 00 00 02 00 00
; CHECK: 7c: 5d
; CHECK: 7d: c3
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 1, i32 1)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 2, i32 2)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 3)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 4, i32 4)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 5, i32 5)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 6, i32 6)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 7, i32 7)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 8, i32 8)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 9, i32 9)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 10, i32 10)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 11, i32 11)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 12)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 13, i32 13)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 14)
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 15)
; Add an extra stackmap with a zero-length shadow to thwart the shadow
; optimization. This will force all 15 bytes of the previous shadow to be
; padded with nops.
tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0)
ret void
}
declare void @llvm.experimental.stackmap(i64, i32, ...)