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[PowerPC] Optimize TLS initial-exec sequence to use X-Form loads/stores
This patch adds new load/store instructions for integer scalar types which can be used for X-Form when fed by add with an @tls relocation. Differential Revision: https://reviews.llvm.org/D43315 llvm-svn: 327635
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ||
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-gnu-linux < %s | FileCheck %s -check-prefix=CHECK | ||
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@var_char = external thread_local local_unnamed_addr global i8, align 1 | ||
@var_short = external thread_local local_unnamed_addr global i16, align 2 | ||
@var_int = external thread_local local_unnamed_addr global i32, align 4 | ||
@var_long_long = external thread_local local_unnamed_addr global i64, align 8 | ||
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define dso_local zeroext i8 @test_char_one() { | ||
; CHECK-LABEL: test_char_one: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 3, 2, var_char@got@tprel@ha | ||
; CHECK-NEXT: ld 3, var_char@got@tprel@l(3) | ||
; CHECK-NEXT: lbzx 3, 3, var_char@tls | ||
entry: | ||
%0 = load i8, i8* @var_char, align 1, !tbaa !4 | ||
ret i8 %0 | ||
} | ||
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define dso_local void @test_char_two(i32 signext %a) { | ||
; CHECK-LABEL: test_char_two: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 4, 2, var_char@got@tprel@ha | ||
; CHECK-NEXT: ld 4, var_char@got@tprel@l(4) | ||
; CHECK-NEXT: stbx 3, 4, var_char@tls | ||
entry: | ||
%conv = trunc i32 %a to i8 | ||
store i8 %conv, i8* @var_char, align 1, !tbaa !4 | ||
ret void | ||
} | ||
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define dso_local zeroext i8 @test_char_three(i8 zeroext %a) { | ||
; CHECK-LABEL: test_char_three: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 4, 2, var_char@got@tprel@ha | ||
; CHECK-NEXT: ld 4, var_char@got@tprel@l(4) | ||
; CHECK-NEXT: lbzx 5, 4, var_char@tls | ||
; CHECK: stbx {{[0-9]+}}, 4, var_char@tls | ||
entry: | ||
%0 = load i8, i8* @var_char, align 1, !tbaa !4 | ||
%add = add i8 %0, %a | ||
store i8 %add, i8* @var_char, align 1, !tbaa !4 | ||
ret i8 %add | ||
} | ||
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define dso_local signext i16 @test_short_one() { | ||
; CHECK-LABEL: test_short_one: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 3, 2, var_short@got@tprel@ha | ||
; CHECK-NEXT: ld 3, var_short@got@tprel@l(3) | ||
; CHECK-NEXT: lhzx 3, 3, var_short@tls | ||
entry: | ||
%0 = load i16, i16* @var_short, align 2, !tbaa !7 | ||
ret i16 %0 | ||
} | ||
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define dso_local void @test_short_two(i32 signext %a) { | ||
; CHECK-LABEL: test_short_two: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 4, 2, var_short@got@tprel@ha | ||
; CHECK-NEXT: ld 4, var_short@got@tprel@l(4) | ||
; CHECK-NEXT: sthx 3, 4, var_short@tls | ||
entry: | ||
%conv = trunc i32 %a to i16 | ||
store i16 %conv, i16* @var_short, align 2, !tbaa !7 | ||
ret void | ||
} | ||
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define dso_local signext i16 @test_short_three(i16 signext %a) { | ||
; CHECK-LABEL: test_short_three: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 4, 2, var_short@got@tprel@ha | ||
; CHECK-NEXT: ld 4, var_short@got@tprel@l(4) | ||
; CHECK-NEXT: lhzx 5, 4, var_short@tls | ||
; CHECK: sthx {{[0-9]+}}, 4, var_short@tls | ||
entry: | ||
%0 = load i16, i16* @var_short, align 2, !tbaa !7 | ||
%add = add i16 %0, %a | ||
store i16 %add, i16* @var_short, align 2, !tbaa !7 | ||
ret i16 %add | ||
} | ||
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define dso_local signext i32 @test_int_one() { | ||
; CHECK-LABEL: test_int_one: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 3, 2, var_int@got@tprel@ha | ||
; CHECK-NEXT: ld 3, var_int@got@tprel@l(3) | ||
; CHECK-NEXT: lwzx 3, 3, var_int@tls | ||
entry: | ||
%0 = load i32, i32* @var_int, align 4, !tbaa !9 | ||
ret i32 %0 | ||
} | ||
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define dso_local void @test_int_two(i32 signext %a) { | ||
; CHECK-LABEL: test_int_two: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 4, 2, var_int@got@tprel@ha | ||
; CHECK-NEXT: ld 4, var_int@got@tprel@l(4) | ||
; CHECK-NEXT: stwx 3, 4, var_int@tls | ||
entry: | ||
store i32 %a, i32* @var_int, align 4, !tbaa !9 | ||
ret void | ||
} | ||
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define dso_local signext i32 @test_int_three(i32 signext %a) { | ||
; CHECK-LABEL: test_int_three: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 4, 2, var_int@got@tprel@ha | ||
; CHECK-NEXT: ld 4, var_int@got@tprel@l(4) | ||
; CHECK-NEXT: lwzx 5, 4, var_int@tls | ||
; CHECK: stwx {{[0-9]+}}, 4, var_int@tls | ||
entry: | ||
%0 = load i32, i32* @var_int, align 4, !tbaa !9 | ||
%add = add nsw i32 %0, %a | ||
store i32 %add, i32* @var_int, align 4, !tbaa !9 | ||
ret i32 %add | ||
} | ||
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define dso_local i64 @test_longlong_one() { | ||
; CHECK-LABEL: test_longlong_one: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 3, 2, var_long_long@got@tprel@ha | ||
; CHECK-NEXT: ld 3, var_long_long@got@tprel@l(3) | ||
; CHECK-NEXT: ldx 3, 3, var_long_long@tls | ||
entry: | ||
%0 = load i64, i64* @var_long_long, align 8, !tbaa !11 | ||
ret i64 %0 | ||
} | ||
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define dso_local void @test_longlong_two(i32 signext %a) { | ||
; CHECK-LABEL: test_longlong_two: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 4, 2, var_long_long@got@tprel@ha | ||
; CHECK-NEXT: ld 4, var_long_long@got@tprel@l(4) | ||
; CHECK-NEXT: stdx 3, 4, var_long_long@tls | ||
entry: | ||
%conv = sext i32 %a to i64 | ||
store i64 %conv, i64* @var_long_long, align 8, !tbaa !11 | ||
ret void | ||
} | ||
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define dso_local i64 @test_longlong_three(i64 %a) { | ||
; CHECK-LABEL: test_longlong_three: | ||
; CHECK: # %bb.0: # %entry | ||
; CHECK: addis 4, 2, var_long_long@got@tprel@ha | ||
; CHECK-NEXT: ld 4, var_long_long@got@tprel@l(4) | ||
; CHECK-NEXT: ldx 5, 4, var_long_long@tls | ||
; CHECK: stdx {{[0-9]+}}, 4, var_long_long@tls | ||
entry: | ||
%0 = load i64, i64* @var_long_long, align 8, !tbaa !11 | ||
%add = add nsw i64 %0, %a | ||
store i64 %add, i64* @var_long_long, align 8, !tbaa !11 | ||
ret i64 %add | ||
} | ||
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!llvm.module.flags = !{!0, !1, !2} | ||
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!0 = !{i32 1, !"wchar_size", i32 4} | ||
!1 = !{i32 7, !"PIC Level", i32 1} | ||
!2 = !{i32 7, !"PIE Level", i32 1} | ||
!4 = !{!5, !5, i64 0} | ||
!5 = !{!"omnipotent char", !6, i64 0} | ||
!6 = !{!"Simple C/C++ TBAA"} | ||
!7 = !{!8, !8, i64 0} | ||
!8 = !{!"short", !5, i64 0} | ||
!9 = !{!10, !10, i64 0} | ||
!10 = !{!"int", !5, i64 0} | ||
!11 = !{!12, !12, i64 0} | ||
!12 = !{!"long long", !5, i64 0} |