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llvm/test/Transforms/LoopVectorize/X86/reg-usage-debug.ll
| Show All 16 Lines | |||||
| ; r += a[i]; | ; r += a[i]; | ||||
| ; return r; | ; return r; | ||||
| ; } | ; } | ||||
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" | ||||
| target triple = "x86_64-unknown-linux-gnu" | target triple = "x86_64-unknown-linux-gnu" | ||||
| ; CHECK: LV: Checking a loop in "test_g" | ; CHECK: LV: Checking a loop in "test_g" | ||||
| ; CHECK: LV(REG): Found max usage: 2 | ; CHECK: LV(REG): Found max usage: 2 item | ||||
| ; CHECK-NEXT: LV(REG): RegisterClass: Generic::ScalarRC, 2 registers | |||||
| ; CHECK-NEXT: LV(REG): RegisterClass: Generic::VectorRC, 2 registers | |||||
| ; CHECK-NEXT: LV(REG): Found invariant usage: 1 item | |||||
| ; CHECK-NEXT: LV(REG): RegisterClass: Generic::VectorRC, 2 registers | |||||
| define i32 @test_g(i32* nocapture readonly %a, i32 %n) local_unnamed_addr !dbg !6 { | define i32 @test_g(i32* nocapture readonly %a, i32 %n) local_unnamed_addr !dbg !6 { | ||||
| entry: | entry: | ||||
| tail call void @llvm.dbg.value(metadata i32* %a, i64 0, metadata !12, metadata !16), !dbg !17 | tail call void @llvm.dbg.value(metadata i32* %a, i64 0, metadata !12, metadata !16), !dbg !17 | ||||
| tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !13, metadata !16), !dbg !18 | tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !13, metadata !16), !dbg !18 | ||||
| tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !16), !dbg !19 | tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !16), !dbg !19 | ||||
| tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !14, metadata !16), !dbg !20 | tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !14, metadata !16), !dbg !20 | ||||
| tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !16), !dbg !19 | tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !16), !dbg !19 | ||||
| Show All 21 Lines | for.end.loopexit: ; preds = %for.body | ||||
| br label %for.end, !dbg !38 | br label %for.end, !dbg !38 | ||||
| for.end: ; preds = %for.end.loopexit, %entry | for.end: ; preds = %for.end.loopexit, %entry | ||||
| %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.end.loopexit ] | %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.end.loopexit ] | ||||
| ret i32 %r.0.lcssa, !dbg !38 | ret i32 %r.0.lcssa, !dbg !38 | ||||
| } | } | ||||
| ; CHECK: LV: Checking a loop in "test" | ; CHECK: LV: Checking a loop in "test" | ||||
| ; CHECK: LV(REG): Found max usage: 2 | ; CHECK: LV(REG): Found max usage: 2 item | ||||
| ; CHECK-NEXT: LV(REG): RegisterClass: Generic::ScalarRC, 2 registers | |||||
| ; CHECK-NEXT: LV(REG): RegisterClass: Generic::VectorRC, 2 registers | |||||
| ; CHECK-NEXT: LV(REG): Found invariant usage: 1 item | |||||
| ; CHECK-NEXT: LV(REG): RegisterClass: Generic::VectorRC, 2 registers | |||||
| define i32 @test(i32* nocapture readonly %a, i32 %n) local_unnamed_addr { | define i32 @test(i32* nocapture readonly %a, i32 %n) local_unnamed_addr { | ||||
| entry: | entry: | ||||
| %cmp6 = icmp eq i32 %n, 0 | %cmp6 = icmp eq i32 %n, 0 | ||||
| br i1 %cmp6, label %for.end, label %for.body.preheader | br i1 %cmp6, label %for.end, label %for.body.preheader | ||||
| for.body.preheader: ; preds = %entry | for.body.preheader: ; preds = %entry | ||||
| %wide.trip.count = zext i32 %n to i64 | %wide.trip.count = zext i32 %n to i64 | ||||
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