mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-10-13 06:25:02 +00:00
00a99a3584
only run for x86 with fastisel. I've found it being very effective in eliminating some obvious dead code as result of formal parameter lowering especially when tail call optimization eliminated the need for some of the loads from fixed frame objects. It also shrinks a number of the tests. A couple of tests no longer make sense and are now eliminated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95493 91177308-0d34-0410-b5e6-96231b3b80d8
94 lines
4.6 KiB
LLVM
94 lines
4.6 KiB
LLVM
; RUN: llc < %s -march=x86-64 | grep mov | count 5
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%struct.COMPOSITE = type { i8, i16, i16 }
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%struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 }
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%struct.FILE_POS = type { i8, i8, i16, i32 }
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%struct.FIRST_UNION = type { %struct.FILE_POS }
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%struct.FONT_INFO = type { %struct.metrics*, i8*, i16*, %struct.COMPOSITE*, i32, %struct.rec*, %struct.rec*, i16, i16, i16*, i8*, i8*, i16* }
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%struct.FOURTH_UNION = type { %struct.STYLE }
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%struct.GAP = type { i8, i8, i16 }
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%struct.LIST = type { %struct.rec*, %struct.rec* }
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%struct.SECOND_UNION = type { { i16, i8, i8 } }
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%struct.STYLE = type { { %struct.GAP }, { %struct.GAP }, i16, i16, i32 }
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%struct.THIRD_UNION = type { %struct.FILE*, [8 x i8] }
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%struct.__sFILEX = type opaque
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%struct.__sbuf = type { i8*, i32 }
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%struct.head_type = type { [2 x %struct.LIST], %struct.FIRST_UNION, %struct.SECOND_UNION, %struct.THIRD_UNION, %struct.FOURTH_UNION, %struct.rec*, { %struct.rec* }, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, i32 }
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%struct.metrics = type { i16, i16, i16, i16, i16 }
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%struct.rec = type { %struct.head_type }
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define void @FontChange(i1 %foo) nounwind {
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entry:
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br i1 %foo, label %bb298, label %bb49
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bb49: ; preds = %entry
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ret void
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bb298: ; preds = %entry
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br i1 %foo, label %bb304, label %bb366
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bb304: ; preds = %bb298
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br i1 %foo, label %bb330, label %bb428
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bb330: ; preds = %bb366, %bb304
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br label %bb366
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bb366: ; preds = %bb330, %bb298
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br i1 %foo, label %bb330, label %bb428
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bb428: ; preds = %bb366, %bb304
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br i1 %foo, label %bb650, label %bb433
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bb433: ; preds = %bb428
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ret void
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bb650: ; preds = %bb650, %bb428
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%tmp658 = load i8* null, align 8 ; <i8> [#uses=1]
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%tmp659 = icmp eq i8 %tmp658, 0 ; <i1> [#uses=1]
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br i1 %tmp659, label %bb650, label %bb662
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bb662: ; preds = %bb650
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%tmp685 = icmp eq %struct.rec* null, null ; <i1> [#uses=1]
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br i1 %tmp685, label %bb761, label %bb688
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bb688: ; preds = %bb662
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ret void
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bb761: ; preds = %bb662
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%tmp487248736542 = load i32* null, align 4 ; <i32> [#uses=2]
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%tmp487648776541 = and i32 %tmp487248736542, 57344 ; <i32> [#uses=1]
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%tmp4881 = icmp eq i32 %tmp487648776541, 8192 ; <i1> [#uses=1]
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br i1 %tmp4881, label %bb4884, label %bb4897
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bb4884: ; preds = %bb761
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%tmp488948906540 = and i32 %tmp487248736542, 7168 ; <i32> [#uses=1]
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%tmp4894 = icmp eq i32 %tmp488948906540, 1024 ; <i1> [#uses=1]
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br i1 %tmp4894, label %bb4932, label %bb4897
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bb4897: ; preds = %bb4884, %bb761
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ret void
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bb4932: ; preds = %bb4884
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%tmp4933 = load i32* null, align 4 ; <i32> [#uses=1]
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br i1 %foo, label %bb5054, label %bb4940
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bb4940: ; preds = %bb4932
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%tmp4943 = load i32* null, align 4 ; <i32> [#uses=2]
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switch i32 %tmp4933, label %bb5054 [
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i32 159, label %bb4970
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i32 160, label %bb5002
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]
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bb4970: ; preds = %bb4940
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%tmp49746536 = trunc i32 %tmp4943 to i16 ; <i16> [#uses=1]
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%tmp49764977 = and i16 %tmp49746536, 4095 ; <i16> [#uses=1]
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%mask498049814982 = zext i16 %tmp49764977 to i64 ; <i64> [#uses=1]
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%tmp4984 = getelementptr %struct.FONT_INFO* null, i64 %mask498049814982, i32 5 ; <%struct.rec**> [#uses=1]
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%tmp4985 = load %struct.rec** %tmp4984, align 8 ; <%struct.rec*> [#uses=1]
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%tmp4988 = getelementptr %struct.rec* %tmp4985, i64 0, i32 0, i32 3 ; <%struct.THIRD_UNION*> [#uses=1]
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%tmp4991 = bitcast %struct.THIRD_UNION* %tmp4988 to i32* ; <i32*> [#uses=1]
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%tmp4992 = load i32* %tmp4991, align 8 ; <i32> [#uses=1]
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%tmp49924993 = trunc i32 %tmp4992 to i16 ; <i16> [#uses=1]
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%tmp4996 = add i16 %tmp49924993, 0 ; <i16> [#uses=1]
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br label %bb5054
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bb5002: ; preds = %bb4940
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%tmp50066537 = trunc i32 %tmp4943 to i16 ; <i16> [#uses=1]
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%tmp50085009 = and i16 %tmp50066537, 4095 ; <i16> [#uses=1]
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%mask501250135014 = zext i16 %tmp50085009 to i64 ; <i64> [#uses=1]
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%tmp5016 = getelementptr %struct.FONT_INFO* null, i64 %mask501250135014, i32 5 ; <%struct.rec**> [#uses=1]
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%tmp5017 = load %struct.rec** %tmp5016, align 8 ; <%struct.rec*> [#uses=1]
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%tmp5020 = getelementptr %struct.rec* %tmp5017, i64 0, i32 0, i32 3 ; <%struct.THIRD_UNION*> [#uses=1]
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%tmp5023 = bitcast %struct.THIRD_UNION* %tmp5020 to i32* ; <i32*> [#uses=1]
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%tmp5024 = load i32* %tmp5023, align 8 ; <i32> [#uses=1]
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%tmp50245025 = trunc i32 %tmp5024 to i16 ; <i16> [#uses=1]
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%tmp5028 = sub i16 %tmp50245025, 0 ; <i16> [#uses=1]
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br label %bb5054
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bb5054: ; preds = %bb5002, %bb4970, %bb4940, %bb4932
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%flen.0.reg2mem.0 = phi i16 [ %tmp4996, %bb4970 ], [ %tmp5028, %bb5002 ], [ 0, %bb4932 ], [ undef, %bb4940 ] ; <i16> [#uses=0]
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ret void
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}
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