189 lines
8.2 KiB
LLVM
189 lines
8.2 KiB
LLVM
; RUN: llc < %s -mtriple=i386-apple-darwin -relocation-model=pic -disable-fp-elim | FileCheck %s -check-prefix=X86-32
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -relocation-model=pic -disable-fp-elim | FileCheck %s -check-prefix=X86-64
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; MachineLICM should be able to hoist loop invariant reload out of the loop.
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; Only linear scan needs this, -regalloc=greedy sinks the spill instead.
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; rdar://7233099
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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.__sFILEX = type opaque
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%struct.__sbuf = type { i8*, i32 }
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%struct.epoch_t = type { %struct.trans_t*, %struct.trans_t*, i32, i32, i32, i32, i32 }
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%struct.trans_t = type { i32, i32, i32, i8* }
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@.str12 = external constant [2 x i8], align 1 ; <[2 x i8]*> [#uses=1]
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@.str19 = external constant [7 x i8], align 1 ; <[7 x i8]*> [#uses=1]
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@.str24 = external constant [4 x i8], align 1 ; <[4 x i8]*> [#uses=1]
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define i32 @t1(i32 %c, i8** nocapture %v) nounwind ssp {
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; X86-32-LABEL: t1:
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entry:
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br i1 undef, label %bb, label %bb3
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bb: ; preds = %entry
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unreachable
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bb3: ; preds = %entry
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br i1 undef, label %bb.i, label %bb.nph41
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bb.i: ; preds = %bb3
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unreachable
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bb.nph41: ; preds = %bb3
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%0 = call %struct.FILE* @"\01_fopen$UNIX2003"(i8* undef, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str12, i32 0, i32 0)) nounwind ; <%struct.FILE*> [#uses=3]
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br i1 undef, label %bb4, label %bb5.preheader
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bb5.preheader: ; preds = %bb.nph41
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br label %bb5
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bb4: ; preds = %bb.nph41
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unreachable
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bb5: ; preds = %bb5, %bb5.preheader
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br i1 undef, label %bb7, label %bb5
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bb7: ; preds = %bb5
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br i1 undef, label %bb9, label %bb12
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bb9: ; preds = %bb7
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unreachable
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bb12: ; preds = %bb7
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br i1 undef, label %bb16, label %bb22
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bb16: ; preds = %bb12
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unreachable
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bb22: ; preds = %bb12
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br label %bb.i1
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bb.i1: ; preds = %bb.i1, %bb22
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%1 = icmp eq i8 undef, 69 ; <i1> [#uses=1]
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br i1 %1, label %imix_test.exit, label %bb.i1
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imix_test.exit: ; preds = %bb.i1
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br i1 undef, label %bb23, label %bb26.preheader
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bb26.preheader: ; preds = %imix_test.exit
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br i1 undef, label %bb28, label %bb30
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bb23: ; preds = %imix_test.exit
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unreachable
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; Verify that there are no loads inside the loop.
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; X86-32: .p2align 4
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; X86-32: %bb28
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; X86-32-NOT: (%esp),
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; X86-32-NOT: (%ebp),
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; X86-32: jmp
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bb28: ; preds = %bb28, %bb26.preheader
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%counter.035 = phi i32 [ %3, %bb28 ], [ 0, %bb26.preheader ] ; <i32> [#uses=2]
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%tmp56 = shl i32 %counter.035, 2 ; <i32> [#uses=0]
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%2 = call i8* @fgets(i8* undef, i32 50, %struct.FILE* %0) nounwind ; <i8*> [#uses=0]
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%3 = add nsw i32 %counter.035, 1 ; <i32> [#uses=1]
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%4 = call i32 @feof(%struct.FILE* %0) nounwind ; <i32> [#uses=0]
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br label %bb28
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bb30: ; preds = %bb26.preheader
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%5 = call i32 @strcmp(i8* undef, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str19, i32 0, i32 0)) nounwind readonly ; <i32> [#uses=0]
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br i1 undef, label %bb34, label %bb70
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bb32.loopexit: ; preds = %bb45
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%6 = icmp eq i32 undef, 0 ; <i1> [#uses=1]
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%indvar.next55 = add i32 %indvar54, 1 ; <i32> [#uses=1]
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br i1 %6, label %bb34, label %bb70
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bb34: ; preds = %bb32.loopexit, %bb30
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%indvar54 = phi i32 [ %indvar.next55, %bb32.loopexit ], [ 0, %bb30 ] ; <i32> [#uses=3]
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br i1 false, label %bb35, label %bb39.preheader
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bb35: ; preds = %bb34
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unreachable
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bb39.preheader: ; preds = %bb34
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%7 = getelementptr inbounds %struct.epoch_t, %struct.epoch_t* undef, i32 %indvar54, i32 3 ; <i32*> [#uses=1]
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%8 = getelementptr inbounds %struct.epoch_t, %struct.epoch_t* undef, i32 %indvar54, i32 2 ; <i32*> [#uses=0]
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br i1 false, label %bb42, label %bb45
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bb42: ; preds = %bb39.preheader
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unreachable
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bb45: ; preds = %bb39.preheader
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%9 = call i32 @strcmp(i8* undef, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str24, i32 0, i32 0)) nounwind readonly ; <i32> [#uses=0]
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br i1 false, label %bb47, label %bb32.loopexit
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bb47: ; preds = %bb45
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%10 = load i32, i32* %7, align 4 ; <i32> [#uses=0]
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unreachable
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bb70: ; preds = %bb32.loopexit, %bb30
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br i1 undef, label %bb78, label %bb76
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bb76: ; preds = %bb70
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unreachable
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bb78: ; preds = %bb70
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br i1 undef, label %bb83, label %bb79
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bb79: ; preds = %bb78
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unreachable
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bb83: ; preds = %bb78
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call void @rewind(%struct.FILE* %0) nounwind
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unreachable
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}
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declare %struct.FILE* @"\01_fopen$UNIX2003"(i8*, i8*)
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declare i8* @fgets(i8*, i32, %struct.FILE* nocapture) nounwind
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declare void @rewind(%struct.FILE* nocapture) nounwind
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declare i32 @feof(%struct.FILE* nocapture) nounwind
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declare i32 @strcmp(i8* nocapture, i8* nocapture) nounwind readonly
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@map_4_to_16 = external constant [16 x i16], align 32 ; <[16 x i16]*> [#uses=2]
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define void @t2(i8* nocapture %bufp, i8* nocapture %data, i32 %dsize) nounwind ssp {
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; X86-64-LABEL: t2:
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entry:
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br i1 undef, label %return, label %bb.nph
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bb.nph: ; preds = %entry
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; X86-64: movq _map_4_to_16@GOTPCREL(%rip)
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; X86-64: .p2align 4
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%tmp5 = zext i32 undef to i64 ; <i64> [#uses=1]
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%tmp6 = add i64 %tmp5, 1 ; <i64> [#uses=1]
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%tmp11 = shl i64 undef, 1 ; <i64> [#uses=1]
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%tmp14 = mul i64 undef, 3 ; <i64> [#uses=1]
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br label %bb
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bb: ; preds = %bb, %bb.nph
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%tmp9 = mul i64 undef, undef ; <i64> [#uses=2]
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%tmp12 = add i64 %tmp11, %tmp9 ; <i64> [#uses=1]
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%scevgep13 = getelementptr i8, i8* %bufp, i64 %tmp12 ; <i8*> [#uses=1]
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%tmp15 = add i64 %tmp14, %tmp9 ; <i64> [#uses=1]
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%scevgep16 = getelementptr i8, i8* %bufp, i64 %tmp15 ; <i8*> [#uses=1]
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%0 = load i8, i8* undef, align 1 ; <i8> [#uses=1]
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%1 = zext i8 %0 to i32 ; <i32> [#uses=1]
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%2 = getelementptr inbounds [16 x i16], [16 x i16]* @map_4_to_16, i64 0, i64 0 ; <i16*> [#uses=1]
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%3 = load i16, i16* %2, align 2 ; <i16> [#uses=1]
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%4 = trunc i16 %3 to i8 ; <i8> [#uses=1]
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store i8 %4, i8* undef, align 1
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%5 = and i32 %1, 15 ; <i32> [#uses=1]
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%6 = zext i32 %5 to i64 ; <i64> [#uses=1]
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%7 = getelementptr inbounds [16 x i16], [16 x i16]* @map_4_to_16, i64 0, i64 %6 ; <i16*> [#uses=1]
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%8 = load i16, i16* %7, align 2 ; <i16> [#uses=2]
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%9 = lshr i16 %8, 8 ; <i16> [#uses=1]
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%10 = trunc i16 %9 to i8 ; <i8> [#uses=1]
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store i8 %10, i8* %scevgep13, align 1
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%11 = trunc i16 %8 to i8 ; <i8> [#uses=1]
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store i8 %11, i8* %scevgep16, align 1
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%exitcond = icmp eq i64 undef, %tmp6 ; <i1> [#uses=1]
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br i1 %exitcond, label %return, label %bb
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return: ; preds = %bb, %entry
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ret void
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}
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