Pointers in Masked Load, Store, Gather, Scatter intrinsics

The masked intrinsics support all integer and floating point data types. I added the pointer type to this list.
Added tests for CodeGen and for Loop Vectorizer.
Updated the Language Reference.

Differential Revision: http://reviews.llvm.org/D14150

llvm-svn: 253544

1 files changed, 142 insertions, 0 deletions

diff --git a/llvm/test/Transforms/LoopVectorize/X86/masked_load_store.ll b/llvm/test/Transforms/LoopVectorize/X86/masked_load_store.ll
index 8c375ccfd31..abe7d6de3f3 100644
--- a/llvm/test/Transforms/LoopVectorize/X86/masked_load_store.ll
+++ b/llvm/test/Transforms/LoopVectorize/X86/masked_load_store.ll
@@ -499,4 +499,146 @@ for.end:                                          ; preds = %for.cond
   ret void
 }
 
+; void foo7 (double * __restrict__  out, double ** __restrict__  in,
+;           bool * __restrict__ trigger, unsigned size) {
+;
+;  for (unsigned i=0; i<size; i++)
+;    if (trigger[i] && (in[i] != 0))
+;      out[i] = (double) 0.5;
+; }
+
+;AVX512-LABEL: @foo7
+;AVX512: call <8 x double*> @llvm.masked.load.v8p0f64(<8 x double*>*
+;AVX512: call void @llvm.masked.store.v8f64
+;AVX512: ret void
+
+define void @foo7(double* noalias %out, double** noalias %in, i8* noalias %trigger, i32 %size) #0 {
+entry:
+  %out.addr = alloca double*, align 8
+  %in.addr = alloca double**, align 8
+  %trigger.addr = alloca i8*, align 8
+  %size.addr = alloca i32, align 4
+  %i = alloca i32, align 4
+  store double* %out, double** %out.addr, align 8
+  store double** %in, double*** %in.addr, align 8
+  store i8* %trigger, i8** %trigger.addr, align 8
+  store i32 %size, i32* %size.addr, align 4
+  store i32 0, i32* %i, align 4
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %0 = load i32, i32* %i, align 4
+  %1 = load i32, i32* %size.addr, align 4
+  %cmp = icmp ult i32 %0, %1
+  br i1 %cmp, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %2 = load i32, i32* %i, align 4
+  %idxprom = zext i32 %2 to i64
+  %3 = load i8*, i8** %trigger.addr, align 8
+  %arrayidx = getelementptr inbounds i8, i8* %3, i64 %idxprom
+  %4 = load i8, i8* %arrayidx, align 1
+  %tobool = trunc i8 %4 to i1
+  br i1 %tobool, label %land.lhs.true, label %if.end
+
+land.lhs.true:                                    ; preds = %for.body
+  %5 = load i32, i32* %i, align 4
+  %idxprom1 = zext i32 %5 to i64
+  %6 = load double**, double*** %in.addr, align 8
+  %arrayidx2 = getelementptr inbounds double*, double** %6, i64 %idxprom1
+  %7 = load double*, double** %arrayidx2, align 8
+  %cmp3 = icmp ne double* %7, null
+  br i1 %cmp3, label %if.then, label %if.end
+
+if.then:                                          ; preds = %land.lhs.true
+  %8 = load i32, i32* %i, align 4
+  %idxprom4 = zext i32 %8 to i64
+  %9 = load double*, double** %out.addr, align 8
+  %arrayidx5 = getelementptr inbounds double, double* %9, i64 %idxprom4
+  store double 5.000000e-01, double* %arrayidx5, align 8
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %land.lhs.true, %for.body
+  br label %for.inc
+
+for.inc:                                          ; preds = %if.end
+  %10 = load i32, i32* %i, align 4
+  %inc = add i32 %10, 1
+  store i32 %inc, i32* %i, align 4
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}
 
+;typedef int (*fp)();
+;void foo8 (double* __restrict__  out, fp* __restrict__ in, bool * __restrict__ trigger, unsigned size) {
+;
+;  for (unsigned i=0; i<size; i++)
+;    if (trigger[i] && (in[i] != 0))
+;      out[i] = (double) 0.5;
+;}
+
+;AVX512-LABEL: @foo8
+;AVX512: call <8 x i32 ()*> @llvm.masked.load.v8p0f_i32f(<8 x i32 ()*>* %
+;AVX512: call void @llvm.masked.store.v8f64
+;AVX512: ret void
+
+define void @foo8(double* noalias %out, i32 ()** noalias %in, i8* noalias %trigger, i32 %size) #0 {
+entry:
+  %out.addr = alloca double*, align 8
+  %in.addr = alloca i32 ()**, align 8
+  %trigger.addr = alloca i8*, align 8
+  %size.addr = alloca i32, align 4
+  %i = alloca i32, align 4
+  store double* %out, double** %out.addr, align 8
+  store i32 ()** %in, i32 ()*** %in.addr, align 8
+  store i8* %trigger, i8** %trigger.addr, align 8
+  store i32 %size, i32* %size.addr, align 4
+  store i32 0, i32* %i, align 4
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %0 = load i32, i32* %i, align 4
+  %1 = load i32, i32* %size.addr, align 4
+  %cmp = icmp ult i32 %0, %1
+  br i1 %cmp, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %2 = load i32, i32* %i, align 4
+  %idxprom = zext i32 %2 to i64
+  %3 = load i8*, i8** %trigger.addr, align 8
+  %arrayidx = getelementptr inbounds i8, i8* %3, i64 %idxprom
+  %4 = load i8, i8* %arrayidx, align 1
+  %tobool = trunc i8 %4 to i1
+  br i1 %tobool, label %land.lhs.true, label %if.end
+
+land.lhs.true:                                    ; preds = %for.body
+  %5 = load i32, i32* %i, align 4
+  %idxprom1 = zext i32 %5 to i64
+  %6 = load i32 ()**, i32 ()*** %in.addr, align 8
+  %arrayidx2 = getelementptr inbounds i32 ()*, i32 ()** %6, i64 %idxprom1
+  %7 = load i32 ()*, i32 ()** %arrayidx2, align 8
+  %cmp3 = icmp ne i32 ()* %7, null
+  br i1 %cmp3, label %if.then, label %if.end
+
+if.then:                                          ; preds = %land.lhs.true
+  %8 = load i32, i32* %i, align 4
+  %idxprom4 = zext i32 %8 to i64
+  %9 = load double*, double** %out.addr, align 8
+  %arrayidx5 = getelementptr inbounds double, double* %9, i64 %idxprom4
+  store double 5.000000e-01, double* %arrayidx5, align 8
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %land.lhs.true, %for.body
+  br label %for.inc
+
+for.inc:                                          ; preds = %if.end
+  %10 = load i32, i32* %i, align 4
+  %inc = add i32 %10, 1
+  store i32 %inc, i32* %i, align 4
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}