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authorReed Kotler <rkotler@mips.com>2012-10-29 19:39:04 +0000
committerReed Kotler <rkotler@mips.com>2012-10-29 19:39:04 +0000
commit576b1dbbef3c85df7245ebd9c1064c2083a4e4a1 (patch)
tree46ef69495d8975f7902c6c66aba8218b8dd6eca2 /test/CodeGen/Mips
parente669c930a61dd56891df2f9822966ecb173c8072 (diff)
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Implement patterns for extloadi8 and extloadi16
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166960 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Mips')
-rw-r--r--test/CodeGen/Mips/misha.ll69
1 files changed, 69 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/misha.ll b/test/CodeGen/Mips/misha.ll
new file mode 100644
index 0000000..80637ed
--- /dev/null
+++ b/test/CodeGen/Mips/misha.ll
@@ -0,0 +1,69 @@
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+define i32 @sumc(i8* nocapture %to, i8* nocapture %from, i32) nounwind {
+entry:
+ %sext = shl i32 %0, 16
+ %conv = ashr exact i32 %sext, 16
+ %cmp8 = icmp eq i32 %conv, 0
+ br i1 %cmp8, label %for.end, label %for.body.lr.ph
+
+for.body.lr.ph: ; preds = %entry
+ %.pre = load i8* %to, align 1
+ br label %for.body
+
+for.body: ; preds = %for.body.lr.ph, %for.body
+ %1 = phi i8 [ %.pre, %for.body.lr.ph ], [ %conv4, %for.body ]
+ %i.010 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
+ %from.addr.09 = phi i8* [ %from, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
+ %incdec.ptr = getelementptr inbounds i8* %from.addr.09, i32 1
+ %2 = load i8* %from.addr.09, align 1
+ %conv27 = zext i8 %2 to i32
+ %conv36 = zext i8 %1 to i32
+ %add = add nsw i32 %conv36, %conv27
+ %conv4 = trunc i32 %add to i8
+ store i8 %conv4, i8* %to, align 1
+ %inc = add nsw i32 %i.010, 1
+ %cmp = icmp eq i32 %inc, %conv
+ br i1 %cmp, label %for.end, label %for.body
+; 16: sumc:
+; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}})
+; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}})
+; 16: sum:
+; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}})
+; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}})
+
+for.end: ; preds = %for.body, %entry
+ ret i32 undef
+}
+
+define i32 @sum(i16* nocapture %to, i16* nocapture %from, i32) nounwind {
+entry:
+ %sext = shl i32 %0, 16
+ %conv = ashr exact i32 %sext, 16
+ %cmp8 = icmp eq i32 %conv, 0
+ br i1 %cmp8, label %for.end, label %for.body.lr.ph
+
+for.body.lr.ph: ; preds = %entry
+ %.pre = load i16* %to, align 2
+ br label %for.body
+
+for.body: ; preds = %for.body.lr.ph, %for.body
+ %1 = phi i16 [ %.pre, %for.body.lr.ph ], [ %conv4, %for.body ]
+ %i.010 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
+ %from.addr.09 = phi i16* [ %from, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
+ %incdec.ptr = getelementptr inbounds i16* %from.addr.09, i32 1
+ %2 = load i16* %from.addr.09, align 2
+ %conv27 = zext i16 %2 to i32
+ %conv36 = zext i16 %1 to i32
+ %add = add nsw i32 %conv36, %conv27
+ %conv4 = trunc i32 %add to i16
+ store i16 %conv4, i16* %to, align 2
+ %inc = add nsw i32 %i.010, 1
+ %cmp = icmp eq i32 %inc, %conv
+ br i1 %cmp, label %for.end, label %for.body
+
+for.end: ; preds = %for.body, %entry
+ ret i32 undef
+}
+
+