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1; RUN: llc -mtriple=x86_64-apple-darwin -mcpu=znver1 -frame-pointer=all -filetype=obj %s -o - | llvm-objdump -d - | FileCheck %s2; 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 %s3 4define void @nop_test() {5entry:6; CHECK: 0: 557; CHECK: 1: 48 89 e58 9; CHECK: 4: 9010; CHECK: 5: 66 9011; CHECK: 7: 0f 1f 0012; CHECK: a: 0f 1f 40 0813; CHECK: e: 0f 1f 44 00 0814; CHECK: 13: 66 0f 1f 44 00 0815; CHECK: 19: 0f 1f 80 00 02 00 0016; CHECK: 20: 0f 1f 84 00 00 02 00 0017; CHECK: 28: 66 0f 1f 84 00 00 02 00 0018; CHECK: 31: 2e 66 0f 1f 84 00 00 02 00 0019; CHECK: 3b: 66 2e 66 0f 1f 84 00 00 02 00 0020; CHECK: 46: 66 66 2e 66 0f 1f 84 00 00 02 00 0021; CHECK: 52: 66 66 66 2e 66 0f 1f 84 00 00 02 00 0022; CHECK: 5f: 66 66 66 66 2e 66 0f 1f 84 00 00 02 00 0023; CHECK: 6d: 66 66 66 66 66 2e 66 0f 1f 84 00 00 02 00 0024 25; CHECK: 7c: 5d26; CHECK: 7d: c327 28 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0)29 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 1, i32 1)30 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 2, i32 2)31 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 3)32 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 4, i32 4)33 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 5, i32 5)34 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 6, i32 6)35 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 7, i32 7)36 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 8, i32 8)37 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 9, i32 9)38 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 10, i32 10)39 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 11, i32 11)40 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 12)41 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 13, i32 13)42 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 14)43 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 15)44; Add an extra stackmap with a zero-length shadow to thwart the shadow45; optimization. This will force all 15 bytes of the previous shadow to be46; padded with nops.47 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0)48 ret void49}50 51declare void @llvm.experimental.stackmap(i64, i32, ...)52