70 lines
2.5 KiB
LLVM
70 lines
2.5 KiB
LLVM
; RUN: llc -march=mipsel -mattr=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
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define i32 @sumc(i8* nocapture %to, i8* nocapture %from, i32) nounwind {
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entry:
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%sext = shl i32 %0, 16
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%conv = ashr exact i32 %sext, 16
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%cmp8 = icmp eq i32 %conv, 0
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br i1 %cmp8, label %for.end, label %for.body.lr.ph
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for.body.lr.ph: ; preds = %entry
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%.pre = load i8, i8* %to, align 1
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.body
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%1 = phi i8 [ %.pre, %for.body.lr.ph ], [ %conv4, %for.body ]
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%i.010 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
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%from.addr.09 = phi i8* [ %from, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
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%incdec.ptr = getelementptr inbounds i8, i8* %from.addr.09, i32 1
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%2 = load i8, i8* %from.addr.09, align 1
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%conv27 = zext i8 %2 to i32
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%conv36 = zext i8 %1 to i32
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%add = add nsw i32 %conv36, %conv27
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%conv4 = trunc i32 %add to i8
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store i8 %conv4, i8* %to, align 1
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%inc = add nsw i32 %i.010, 1
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%cmp = icmp eq i32 %inc, %conv
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br i1 %cmp, label %for.end, label %for.body
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; 16-LABEL: sumc:
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; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}})
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; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}})
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; 16-LABEL: sum:
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; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}})
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; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}})
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for.end: ; preds = %for.body, %entry
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ret i32 undef
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}
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define i32 @sum(i16* nocapture %to, i16* nocapture %from, i32) nounwind {
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entry:
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%sext = shl i32 %0, 16
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%conv = ashr exact i32 %sext, 16
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%cmp8 = icmp eq i32 %conv, 0
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br i1 %cmp8, label %for.end, label %for.body.lr.ph
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for.body.lr.ph: ; preds = %entry
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%.pre = load i16, i16* %to, align 2
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.body
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%1 = phi i16 [ %.pre, %for.body.lr.ph ], [ %conv4, %for.body ]
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%i.010 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
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%from.addr.09 = phi i16* [ %from, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
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%incdec.ptr = getelementptr inbounds i16, i16* %from.addr.09, i32 1
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%2 = load i16, i16* %from.addr.09, align 2
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%conv27 = zext i16 %2 to i32
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%conv36 = zext i16 %1 to i32
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%add = add nsw i32 %conv36, %conv27
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%conv4 = trunc i32 %add to i16
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store i16 %conv4, i16* %to, align 2
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%inc = add nsw i32 %i.010, 1
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%cmp = icmp eq i32 %inc, %conv
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br i1 %cmp, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret i32 undef
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}
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