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https://github.com/RPCSX/llvm.git
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b5e2dc9a76
When we have a single basic block, the explicit copy-back instructions should be inserted right before the terminator. Before this fix, they were wrongly placed at the beginning of the basic block. PR26136 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257930 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
2.2 KiB
LLVM
58 lines
2.2 KiB
LLVM
; RUN: llc < %s -mtriple=armv7k-apple-watchos2.0 | FileCheck %s
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; RUN: llc < %s -mtriple=armv7k-apple-watchos2.0 -enable-shrink-wrap=true | FileCheck --check-prefix=CHECK %s
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; RUN: llc < %s -mtriple=armv7-apple-ios8.0 | FileCheck %s
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; RUN: llc < %s -mtriple=armv7-apple-ios8.0 -enable-shrink-wrap=true | FileCheck --check-prefix=CHECK %s
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%struct.S = type { i8 }
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@sg = internal thread_local global %struct.S zeroinitializer, align 1
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@__dso_handle = external global i8
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@__tls_guard = internal thread_local unnamed_addr global i1 false
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@sum1 = internal thread_local global i32 0, align 4
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declare %struct.S* @_ZN1SC1Ev(%struct.S* returned)
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declare %struct.S* @_ZN1SD1Ev(%struct.S* returned)
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declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*)
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define cxx_fast_tlscc nonnull %struct.S* @_ZTW2sg() nounwind {
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%.b.i = load i1, i1* @__tls_guard, align 1
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br i1 %.b.i, label %__tls_init.exit, label %init.i
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init.i:
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store i1 true, i1* @__tls_guard, align 1
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%call.i.i = tail call %struct.S* @_ZN1SC1Ev(%struct.S* nonnull @sg)
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%1 = tail call i32 @_tlv_atexit(void (i8*)* nonnull bitcast (%struct.S* (%struct.S*)* @_ZN1SD1Ev to void (i8*)*), i8* nonnull getelementptr inbounds (%struct.S, %struct.S* @sg, i64 0, i32 0), i8* nonnull @__dso_handle)
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br label %__tls_init.exit
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__tls_init.exit:
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ret %struct.S* @sg
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}
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; CHECK-LABEL: _ZTW2sg
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; CHECK: push {lr}
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; CHECK-NOT: push {r1, r2, r3, r4, r7, lr}
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; CHECK-NOT: push {r9, r12}
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; CHECK-NOT: vpush {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31}
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; CHECK-NOT: vpush {d0, d1, d2, d3, d4, d5, d6, d7}
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; CHECK: blx
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; CHECK: bne [[BB_end:.?LBB0_[0-9]+]]
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; CHECK; blx
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; CHECK: tlv_atexit
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; CHECK: [[BB_end]]:
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; CHECK: blx
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; CHECK-NOT: vpop {d0, d1, d2, d3, d4, d5, d6, d7}
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; CHECK-NOT: vpop {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31}
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; CHECK-NOT: pop {r9, r12}
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; CHECK-NOT: pop {r1, r2, r3, r4, r7, pc}
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; CHECK: pop {lr}
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; CHECK-LABEL: _ZTW4sum1
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; CHECK-NOT: push {r1, r2, r3, r4, r7, lr}
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; CHECK-NOT: push {r9, r12}
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; CHECK-NOT: vpush {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31}
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; CHECK-NOT: vpush {d0, d1, d2, d3, d4, d5, d6, d7}
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; CHECK: blx
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define cxx_fast_tlscc nonnull i32* @_ZTW4sum1() nounwind {
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ret i32* @sum1
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}
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