2fab927546
Check lines for some of these tests were regenerated. The difference is that with opaque pointers SCEVExpander always emits i8 GEPs, making the address calculation explicit. This is a known problem that will be solved long term by making all address calculations explicit.
141 lines
5.3 KiB
LLVM
141 lines
5.3 KiB
LLVM
; RUN: opt < %s -passes=loop-vectorize -mcpu=pwr8 -mattr=+vsx -force-vector-interleave=1 -vectorizer-maximize-bandwidth=0 -S | FileCheck %s
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target triple = "powerpc64-unknown-linux-gnu"
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define signext i32 @foo(ptr readonly %ptr, i32 signext %l) {
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entry:
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%idx.ext = sext i32 %l to i64
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%add.ptr = getelementptr inbounds i8, ptr %ptr, i64 %idx.ext
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%cmp7 = icmp sgt i32 %l, 0
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br i1 %cmp7, label %while.body.preheader, label %while.end
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while.body.preheader: ; preds = %entry
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br label %while.body
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while.body: ; preds = %while.body.preheader, %while.body
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%count.09 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%ptr.addr.08 = phi ptr [ %incdec.ptr, %while.body ], [ %ptr, %while.body.preheader ]
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%0 = load i8, ptr %ptr.addr.08, align 1
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%cmp1 = icmp slt i8 %0, -64
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%cond = zext i1 %cmp1 to i32
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%add = add nsw i32 %cond, %count.09
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%incdec.ptr = getelementptr inbounds i8, ptr %ptr.addr.08, i64 1
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%cmp = icmp ult ptr %incdec.ptr, %add.ptr
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br i1 %cmp, label %while.body, label %while.end.loopexit
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while.end.loopexit: ; preds = %while.body
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%add.lcssa = phi i32 [ %add, %while.body ]
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br label %while.end
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while.end: ; preds = %while.end.loopexit, %entry
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%count.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %while.end.loopexit ]
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ret i32 %count.0.lcssa
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; CHECK: load <4 x i8>
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; CHECK: icmp slt <4 x i8>
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}
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define signext i16 @foo2(ptr readonly %ptr, i32 signext %l) {
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entry:
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%idx.ext = sext i32 %l to i64
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%add.ptr = getelementptr inbounds i8, ptr %ptr, i64 %idx.ext
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%cmp7 = icmp sgt i32 %l, 0
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br i1 %cmp7, label %while.body.preheader, label %while.end
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while.body.preheader: ; preds = %entry
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br label %while.body
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while.body: ; preds = %while.body.preheader, %while.body
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%count.09 = phi i16 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%ptr.addr.08 = phi ptr [ %incdec.ptr, %while.body ], [ %ptr, %while.body.preheader ]
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%0 = load i8, ptr %ptr.addr.08, align 1
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%cmp1 = icmp slt i8 %0, -64
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%cond = zext i1 %cmp1 to i16
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%add = add nsw i16 %cond, %count.09
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%incdec.ptr = getelementptr inbounds i8, ptr %ptr.addr.08, i64 1
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%cmp = icmp ult ptr %incdec.ptr, %add.ptr
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br i1 %cmp, label %while.body, label %while.end.loopexit
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while.end.loopexit: ; preds = %while.body
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%add.lcssa = phi i16 [ %add, %while.body ]
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br label %while.end
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while.end: ; preds = %while.end.loopexit, %entry
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%count.0.lcssa = phi i16 [ 0, %entry ], [ %add.lcssa, %while.end.loopexit ]
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ret i16 %count.0.lcssa
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; CHECK-LABEL: foo2
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; CHECK: load <8 x i8>
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; CHECK: icmp slt <8 x i8>
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}
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define signext i32 @foo3(ptr readonly %ptr, i32 signext %l) {
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entry:
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%idx.ext = sext i32 %l to i64
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%add.ptr = getelementptr inbounds i16, ptr %ptr, i64 %idx.ext
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%cmp7 = icmp sgt i32 %l, 0
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br i1 %cmp7, label %while.body.preheader, label %while.end
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while.body.preheader: ; preds = %entry
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br label %while.body
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while.body: ; preds = %while.body.preheader, %while.body
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%count.09 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%ptr.addr.16 = phi ptr [ %incdec.ptr, %while.body ], [ %ptr, %while.body.preheader ]
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%0 = load i16, ptr %ptr.addr.16, align 1
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%cmp1 = icmp slt i16 %0, -64
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%cond = zext i1 %cmp1 to i32
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%add = add nsw i32 %cond, %count.09
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%incdec.ptr = getelementptr inbounds i16, ptr %ptr.addr.16, i64 1
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%cmp = icmp ult ptr %incdec.ptr, %add.ptr
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br i1 %cmp, label %while.body, label %while.end.loopexit
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while.end.loopexit: ; preds = %while.body
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%add.lcssa = phi i32 [ %add, %while.body ]
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br label %while.end
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while.end: ; preds = %while.end.loopexit, %entry
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%count.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %while.end.loopexit ]
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ret i32 %count.0.lcssa
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; CHECK-LABEL: foo3
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; CHECK: load <4 x i16>
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; CHECK: icmp slt <4 x i16>
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}
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define i64 @foo4(ptr readonly %ptr, i32 signext %l) {
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entry:
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%idx.ext = sext i32 %l to i64
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%add.ptr = getelementptr inbounds i16, ptr %ptr, i64 %idx.ext
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%cmp7 = icmp sgt i32 %l, 0
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br i1 %cmp7, label %while.body.preheader, label %while.end
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while.body.preheader: ; preds = %entry
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br label %while.body
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while.body: ; preds = %while.body.preheader, %while.body
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%count.09 = phi i64 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%ptr.addr.16 = phi ptr [ %incdec.ptr, %while.body ], [ %ptr, %while.body.preheader ]
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%0 = load i16, ptr %ptr.addr.16, align 1
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%cmp1 = icmp slt i16 %0, -64
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%cond = zext i1 %cmp1 to i64
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%add = add nsw i64 %cond, %count.09
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%incdec.ptr = getelementptr inbounds i16, ptr %ptr.addr.16, i64 1
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%cmp = icmp ult ptr %incdec.ptr, %add.ptr
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br i1 %cmp, label %while.body, label %while.end.loopexit
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while.end.loopexit: ; preds = %while.body
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%add.lcssa = phi i64 [ %add, %while.body ]
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br label %while.end
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while.end: ; preds = %while.end.loopexit, %entry
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%count.0.lcssa = phi i64 [ 0, %entry ], [ %add.lcssa, %while.end.loopexit ]
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ret i64 %count.0.lcssa
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; CHECK-LABEL: foo4
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; CHECK: load <2 x i16>
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; CHECK: icmp slt <2 x i16>
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}
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