llvm-6502/test/CodeGen/Hexagon/hwloop-lt.ll
Krzysztof Parzyszek 71490fa946 Extend Hexagon hardware loop generation to handle various additional cases:
- variety of compare instructions,
- loops with no preheader,
- arbitrary lower and upper bounds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174904 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11 21:37:55 +00:00

439 lines
13 KiB
LLVM

; RUN: llc -march=hexagon -mcpu=hexagonv4 -O3 < %s | FileCheck %s
; CHECK: test_pos1_ir_slt
; CHECK: loop0
; a < b
define void @test_pos1_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 8531, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ 8531, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 1
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos2_ir_slt
; CHECK: loop0
; a < b
define void @test_pos2_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 9152, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ 9152, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 2
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos4_ir_slt
; CHECK: loop0
; a < b
define void @test_pos4_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 18851, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ 18851, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 4
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos8_ir_slt
; CHECK: loop0
; a < b
define void @test_pos8_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 25466, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ 25466, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 8
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos16_ir_slt
; CHECK: loop0
; a < b
define void @test_pos16_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 9295, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ 9295, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 16
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos1_ri_slt
; CHECK: loop0
; a < b
define void @test_pos1_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, 31236
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 1
%cmp = icmp slt i32 %inc, 31236
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos2_ri_slt
; CHECK: loop0
; a < b
define void @test_pos2_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, 22653
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 2
%cmp = icmp slt i32 %inc, 22653
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos4_ri_slt
; CHECK: loop0
; a < b
define void @test_pos4_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, 1431
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 4
%cmp = icmp slt i32 %inc, 1431
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos8_ri_slt
; CHECK: loop0
; a < b
define void @test_pos8_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, 22403
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 8
%cmp = icmp slt i32 %inc, 22403
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos16_ri_slt
; CHECK: loop0
; a < b
define void @test_pos16_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, 21715
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 16
%cmp = icmp slt i32 %inc, 21715
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos1_rr_slt
; CHECK: loop0
; a < b
define void @test_pos1_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 1
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos2_rr_slt
; CHECK: loop0
; a < b
define void @test_pos2_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 2
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos4_rr_slt
; CHECK: loop0
; a < b
define void @test_pos4_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 4
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos8_rr_slt
; CHECK: loop0
; a < b
define void @test_pos8_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 8
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}
; CHECK: test_pos16_rr_slt
; CHECK: loop0
; a < b
define void @test_pos16_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind {
entry:
%cmp3 = icmp slt i32 %a, %b
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i8* %p, i32 %i.04
%0 = load i8* %arrayidx, align 1
%conv = zext i8 %0 to i32
%add = add nsw i32 %conv, 1
%conv1 = trunc i32 %add to i8
store i8 %conv1, i8* %arrayidx, align 1
%inc = add nsw i32 %i.04, 16
%cmp = icmp slt i32 %inc, %b
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}