derek.holloway
7502bf64a4
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136 lines
4.1 KiB
LLVM
136 lines
4.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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; RUN: llc < %s -mtriple=s390x-linux-gnu -verify-machineinstrs | FileCheck %s
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define i32 @test_tls_stack_guard() #0 {
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; CHECK-LABEL: test_tls_stack_guard:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: stmg %r14, %r15, 112(%r15)
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; CHECK-NEXT: .cfi_offset %r14, -48
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; CHECK-NEXT: .cfi_offset %r15, -40
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; CHECK-NEXT: aghi %r15, -1192
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; CHECK-NEXT: .cfi_def_cfa_offset 1352
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; CHECK-NEXT: ear %r1, %a0
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; CHECK-NEXT: sllg %r1, %r1, 32
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; CHECK-NEXT: ear %r1, %a1
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; CHECK-NEXT: mvc 1184(8,%r15), 40(%r1)
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; CHECK-NEXT: la %r2, 160(%r15)
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; CHECK-NEXT: brasl %r14, foo3@PLT
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; CHECK-NEXT: ear %r1, %a0
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; CHECK-NEXT: sllg %r1, %r1, 32
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; CHECK-NEXT: ear %r1, %a1
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; CHECK-NEXT: clc 1184(8,%r15), 40(%r1)
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; CHECK-NEXT: jlh .LBB0_2
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: lhi %r2, 0
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; CHECK-NEXT: lmg %r14, %r15, 1304(%r15)
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; CHECK-NEXT: br %r14
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; CHECK-NEXT: .LBB0_2: # %entry
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; CHECK-NEXT: brasl %r14, __stack_chk_fail@PLT
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entry:
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%a1 = alloca [256 x i32], align 4
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call void @foo3(ptr %a1)
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ret i32 0
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}
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define i32 @test_global_stack_guard_branch(i32 %in) #0 {
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; CHECK-LABEL: test_global_stack_guard_branch:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: stmg %r13, %r15, 104(%r15)
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; CHECK-NEXT: .cfi_offset %r13, -56
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; CHECK-NEXT: .cfi_offset %r14, -48
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; CHECK-NEXT: .cfi_offset %r15, -40
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; CHECK-NEXT: aghi %r15, -1192
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; CHECK-NEXT: .cfi_def_cfa_offset 1352
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; CHECK-NEXT: ear %r1, %a0
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; CHECK-NEXT: sllg %r1, %r1, 32
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; CHECK-NEXT: ear %r1, %a1
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; CHECK-NEXT: mvc 1184(8,%r15), 40(%r1)
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; CHECK-NEXT: lr %r13, %r2
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; CHECK-NEXT: la %r2, 160(%r15)
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; CHECK-NEXT: brasl %r14, foo3@PLT
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; CHECK-NEXT: cije %r13, 1, .LBB1_4
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: cijlh %r13, 0, .LBB1_6
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; CHECK-NEXT: # %bb.2: # %foo
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; CHECK-NEXT: ear %r1, %a0
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; CHECK-NEXT: sllg %r1, %r1, 32
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; CHECK-NEXT: ear %r1, %a1
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; CHECK-NEXT: clc 1184(8,%r15), 40(%r1)
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; CHECK-NEXT: jlh .LBB1_8
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; CHECK-NEXT: # %bb.3: # %foo
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; CHECK-NEXT: lhi %r2, 0
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; CHECK-NEXT: lmg %r13, %r15, 1296(%r15)
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; CHECK-NEXT: br %r14
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; CHECK-NEXT: .LBB1_4: # %bar
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; CHECK-NEXT: ear %r1, %a0
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; CHECK-NEXT: sllg %r1, %r1, 32
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; CHECK-NEXT: ear %r1, %a1
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; CHECK-NEXT: clc 1184(8,%r15), 40(%r1)
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; CHECK-NEXT: jlh .LBB1_8
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; CHECK-NEXT: # %bb.5: # %bar
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; CHECK-NEXT: lhi %r2, 1
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; CHECK-NEXT: lmg %r13, %r15, 1296(%r15)
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; CHECK-NEXT: br %r14
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; CHECK-NEXT: .LBB1_6: # %else
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; CHECK-NEXT: ear %r1, %a0
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; CHECK-NEXT: sllg %r1, %r1, 32
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; CHECK-NEXT: ear %r1, %a1
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; CHECK-NEXT: clc 1184(8,%r15), 40(%r1)
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; CHECK-NEXT: jlh .LBB1_8
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; CHECK-NEXT: # %bb.7: # %else
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; CHECK-NEXT: lhi %r2, 2
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; CHECK-NEXT: lmg %r13, %r15, 1296(%r15)
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; CHECK-NEXT: br %r14
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; CHECK-NEXT: .LBB1_8: # %bar
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; CHECK-NEXT: brasl %r14, __stack_chk_fail@PLT
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entry:
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%a1 = alloca [256 x i32], align 4
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call void @foo3(ptr %a1)
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switch i32 %in, label %else [
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i32 0, label %foo
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i32 1, label %bar
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]
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foo:
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ret i32 0
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bar:
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ret i32 1
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else:
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ret i32 2
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}
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define i32 @test_tls_stack_guard_large() #0 {
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; CHECK-LABEL: test_tls_stack_guard_large:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: stmg %r14, %r15, 112(%r15)
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; CHECK-NEXT: .cfi_offset %r14, -48
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; CHECK-NEXT: .cfi_offset %r15, -40
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; CHECK-NEXT: aghi %r15, -1192
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; CHECK-NEXT: .cfi_def_cfa_offset 1352
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; CHECK-NEXT: ear %r1, %a0
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; CHECK-NEXT: sllg %r1, %r1, 32
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; CHECK-NEXT: ear %r1, %a1
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; CHECK-NEXT: mvc 1184(8,%r15), 40(%r1)
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; CHECK-NEXT: la %r2, 160(%r15)
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; CHECK-NEXT: brasl %r14, foo3@PLT
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; CHECK-NEXT: ear %r1, %a0
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; CHECK-NEXT: sllg %r1, %r1, 32
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; CHECK-NEXT: ear %r1, %a1
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; CHECK-NEXT: clc 1184(8,%r15), 40(%r1)
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; CHECK-NEXT: jlh .LBB2_2
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: lhi %r2, 0
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; CHECK-NEXT: lmg %r14, %r15, 1304(%r15)
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; CHECK-NEXT: br %r14
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; CHECK-NEXT: .LBB2_2: # %entry
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; CHECK-NEXT: brasl %r14, __stack_chk_fail@PLT
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entry:
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%a1 = alloca [256 x i32], align 4
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call void @foo3(ptr %a1)
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ret i32 0
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}
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declare void @foo3(ptr)
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attributes #0 = { sspstrong }
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