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262321d1ff
This patch lets the llvm tools handle the new HVX target features that
are added by frontend (clang). The target-features are of the form
"hvx-length64b" for 64 Byte HVX mode, "hvx-length128b" for 128 Byte mode HVX.
"hvx-double" is an alias to "hvx-length128b" and is soon will be deprecated.
The hvx version target feature is upgated form "+hvx" to "+hvxv{version_number}.
Eg: "+hvxv62"
For the correct HVX code generation, the user must use the following
target features.
For 64B mode: "+hvxv62" "+hvx-length64b"
For 128B mode: "+hvxv62" "+hvx-length128b"
Clang picks a default length if none is specified. If for some reason,
no hvx-length is specified to llvm, the compilation will bail out.
There is a corresponding clang patch.
Differential Revision: https://reviews.llvm.org/D38851
llvm-svn: 316101
248 lines
13 KiB
LLVM
248 lines
13 KiB
LLVM
; RUN: llc -march=hexagon -O2 -mcpu=hexagonv60 -mattr=+hvxv60,hvx-length64b < %s | FileCheck %s
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; CHECK: vasr(v{{[0-9]+}}.h,v{{[0-9]+}}.h,r{{[0-7]+}}):sat
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target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a:0-n16:32"
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target triple = "hexagon-unknown--elf"
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%struct.buffer_t = type { i64, i8*, [4 x i32], [4 x i32], [4 x i32], i32, i8, i8, [6 x i8] }
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; Function Attrs: norecurse nounwind
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define i32 @__test_vasr(%struct.buffer_t* noalias nocapture %f.buffer, %struct.buffer_t* noalias nocapture %g.buffer, %struct.buffer_t* noalias nocapture %res.buffer) #0 {
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entry:
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%buf_host = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 1
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%f.host = load i8*, i8** %buf_host, align 4
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%buf_dev = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 0
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%f.dev = load i64, i64* %buf_dev, align 8
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%0 = icmp eq i8* %f.host, null
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%1 = icmp eq i64 %f.dev, 0
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%f.host_and_dev_are_null = and i1 %0, %1
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%buf_min = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 4, i32 0
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%f.min.0 = load i32, i32* %buf_min, align 4
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%buf_host10 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 1
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%g.host = load i8*, i8** %buf_host10, align 4
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%buf_dev11 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 0
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%g.dev = load i64, i64* %buf_dev11, align 8
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%2 = icmp eq i8* %g.host, null
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%3 = icmp eq i64 %g.dev, 0
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%g.host_and_dev_are_null = and i1 %2, %3
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%buf_min22 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 4, i32 0
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%g.min.0 = load i32, i32* %buf_min22, align 4
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%buf_host27 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 1
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%res.host = load i8*, i8** %buf_host27, align 4
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%buf_dev28 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 0
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%res.dev = load i64, i64* %buf_dev28, align 8
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%4 = icmp eq i8* %res.host, null
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%5 = icmp eq i64 %res.dev, 0
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%res.host_and_dev_are_null = and i1 %4, %5
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%buf_extent31 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 2, i32 0
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%res.extent.0 = load i32, i32* %buf_extent31, align 4
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%buf_min39 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 4, i32 0
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%res.min.0 = load i32, i32* %buf_min39, align 4
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%6 = add nsw i32 %res.extent.0, -1
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%7 = and i32 %6, -64
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%8 = add i32 %res.min.0, 63
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%9 = add i32 %8, %7
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%10 = add nsw i32 %res.min.0, %res.extent.0
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%11 = add nsw i32 %10, -1
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%12 = icmp slt i32 %9, %11
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%13 = select i1 %12, i32 %9, i32 %11
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%14 = add nsw i32 %10, -64
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%15 = icmp slt i32 %res.min.0, %14
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%16 = select i1 %15, i32 %res.min.0, i32 %14
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%f.extent.0.required.s = sub nsw i32 %13, %16
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br i1 %f.host_and_dev_are_null, label %true_bb, label %after_bb
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true_bb: ; preds = %entry
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%buf_elem_size44 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 5
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store i32 1, i32* %buf_elem_size44, align 4
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store i32 %16, i32* %buf_min, align 4
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%17 = add nsw i32 %f.extent.0.required.s, 1
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%buf_extent46 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 2, i32 0
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store i32 %17, i32* %buf_extent46, align 4
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%buf_stride47 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 3, i32 0
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store i32 1, i32* %buf_stride47, align 4
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%buf_min48 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 4, i32 1
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store i32 0, i32* %buf_min48, align 4
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%buf_extent49 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 2, i32 1
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store i32 0, i32* %buf_extent49, align 4
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%buf_stride50 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 3, i32 1
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store i32 0, i32* %buf_stride50, align 4
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%buf_min51 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 4, i32 2
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store i32 0, i32* %buf_min51, align 4
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%buf_extent52 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 2, i32 2
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store i32 0, i32* %buf_extent52, align 4
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%buf_stride53 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 3, i32 2
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store i32 0, i32* %buf_stride53, align 4
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%buf_min54 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 4, i32 3
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store i32 0, i32* %buf_min54, align 4
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%buf_extent55 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 2, i32 3
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store i32 0, i32* %buf_extent55, align 4
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%buf_stride56 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %f.buffer, i32 0, i32 3, i32 3
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store i32 0, i32* %buf_stride56, align 4
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br label %after_bb
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after_bb: ; preds = %true_bb, %entry
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br i1 %g.host_and_dev_are_null, label %true_bb57, label %after_bb59
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true_bb57: ; preds = %after_bb
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%buf_elem_size60 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 5
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store i32 1, i32* %buf_elem_size60, align 4
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store i32 %16, i32* %buf_min22, align 4
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%18 = add nsw i32 %f.extent.0.required.s, 1
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%buf_extent62 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 2, i32 0
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store i32 %18, i32* %buf_extent62, align 4
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%buf_stride63 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 3, i32 0
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store i32 1, i32* %buf_stride63, align 4
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%buf_min64 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 4, i32 1
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store i32 0, i32* %buf_min64, align 4
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%buf_extent65 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 2, i32 1
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store i32 0, i32* %buf_extent65, align 4
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%buf_stride66 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 3, i32 1
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store i32 0, i32* %buf_stride66, align 4
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%buf_min67 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 4, i32 2
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store i32 0, i32* %buf_min67, align 4
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%buf_extent68 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 2, i32 2
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store i32 0, i32* %buf_extent68, align 4
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%buf_stride69 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 3, i32 2
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store i32 0, i32* %buf_stride69, align 4
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%buf_min70 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 4, i32 3
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store i32 0, i32* %buf_min70, align 4
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%buf_extent71 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 2, i32 3
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store i32 0, i32* %buf_extent71, align 4
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%buf_stride72 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %g.buffer, i32 0, i32 3, i32 3
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store i32 0, i32* %buf_stride72, align 4
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br label %after_bb59
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after_bb59: ; preds = %true_bb57, %after_bb
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br i1 %res.host_and_dev_are_null, label %after_bb75.thread, label %after_bb75
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after_bb75.thread: ; preds = %after_bb59
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%buf_elem_size76 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 5
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store i32 1, i32* %buf_elem_size76, align 4
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store i32 %16, i32* %buf_min39, align 4
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%19 = add nsw i32 %f.extent.0.required.s, 1
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store i32 %19, i32* %buf_extent31, align 4
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%buf_stride79 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 3, i32 0
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store i32 1, i32* %buf_stride79, align 4
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%buf_min80 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 4, i32 1
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store i32 0, i32* %buf_min80, align 4
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%buf_extent81 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 2, i32 1
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store i32 0, i32* %buf_extent81, align 4
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%buf_stride82 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 3, i32 1
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store i32 0, i32* %buf_stride82, align 4
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%buf_min83 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 4, i32 2
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store i32 0, i32* %buf_min83, align 4
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%buf_extent84 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 2, i32 2
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store i32 0, i32* %buf_extent84, align 4
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%buf_stride85 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 3, i32 2
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store i32 0, i32* %buf_stride85, align 4
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%buf_min86 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 4, i32 3
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store i32 0, i32* %buf_min86, align 4
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%buf_extent87 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 2, i32 3
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store i32 0, i32* %buf_extent87, align 4
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%buf_stride88 = getelementptr inbounds %struct.buffer_t, %struct.buffer_t* %res.buffer, i32 0, i32 3, i32 3
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store i32 0, i32* %buf_stride88, align 4
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br label %destructor_block
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after_bb75: ; preds = %after_bb59
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%20 = or i1 %f.host_and_dev_are_null, %g.host_and_dev_are_null
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br i1 %20, label %destructor_block, label %"produce res"
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"produce res": ; preds = %after_bb75
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%21 = ashr i32 %res.extent.0, 6
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%22 = icmp sgt i32 %21, 0
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br i1 %22, label %"for res.s0.x.x", label %"end for res.s0.x.x", !prof !4
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"for res.s0.x.x": ; preds = %"for res.s0.x.x", %"produce res"
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%res.s0.x.x = phi i32 [ %41, %"for res.s0.x.x" ], [ 0, %"produce res" ]
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%23 = shl nsw i32 %res.s0.x.x, 6
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%24 = add nsw i32 %23, %res.min.0
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%25 = sub nsw i32 %24, %f.min.0
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%26 = getelementptr inbounds i8, i8* %f.host, i32 %25
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%27 = bitcast i8* %26 to <16 x i32>*
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%28 = load <16 x i32>, <16 x i32>* %27, align 1, !tbaa !5
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%29 = tail call <32 x i32> @llvm.hexagon.V6.vzb(<16 x i32> %28)
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%30 = sub nsw i32 %24, %g.min.0
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%31 = getelementptr inbounds i8, i8* %g.host, i32 %30
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%32 = bitcast i8* %31 to <16 x i32>*
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%33 = load <16 x i32>, <16 x i32>* %32, align 1, !tbaa !8
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%34 = tail call <32 x i32> @llvm.hexagon.V6.vzb(<16 x i32> %33)
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%35 = tail call <32 x i32> @llvm.hexagon.V6.vaddh.dv(<32 x i32> %29, <32 x i32> %34)
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%36 = tail call <16 x i32> @llvm.hexagon.V6.hi(<32 x i32> %35)
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%37 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %35)
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%38 = tail call <16 x i32> @llvm.hexagon.V6.vasrhubsat(<16 x i32> %36, <16 x i32> %37, i32 4)
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%39 = getelementptr inbounds i8, i8* %res.host, i32 %23
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%40 = bitcast i8* %39 to <16 x i32>*
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store <16 x i32> %38, <16 x i32>* %40, align 1, !tbaa !10
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%41 = add nuw nsw i32 %res.s0.x.x, 1
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%42 = icmp eq i32 %41, %21
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br i1 %42, label %"end for res.s0.x.x", label %"for res.s0.x.x"
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"end for res.s0.x.x": ; preds = %"for res.s0.x.x", %"produce res"
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%43 = add nsw i32 %res.extent.0, 63
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%44 = ashr i32 %43, 6
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%45 = icmp sgt i32 %44, %21
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br i1 %45, label %"for res.s0.x.x92.preheader", label %destructor_block, !prof !4
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"for res.s0.x.x92.preheader": ; preds = %"end for res.s0.x.x"
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%46 = sub i32 -64, %f.min.0
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%47 = add i32 %46, %10
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%48 = getelementptr inbounds i8, i8* %f.host, i32 %47
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%49 = bitcast i8* %48 to <16 x i32>*
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%50 = load <16 x i32>, <16 x i32>* %49, align 1
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%51 = tail call <32 x i32> @llvm.hexagon.V6.vzb(<16 x i32> %50)
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%52 = sub i32 -64, %g.min.0
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%53 = add i32 %52, %10
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%54 = getelementptr inbounds i8, i8* %g.host, i32 %53
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%55 = bitcast i8* %54 to <16 x i32>*
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%56 = load <16 x i32>, <16 x i32>* %55, align 1
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%57 = tail call <32 x i32> @llvm.hexagon.V6.vzb(<16 x i32> %56)
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%58 = tail call <32 x i32> @llvm.hexagon.V6.vaddh.dv(<32 x i32> %51, <32 x i32> %57)
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%59 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %58)
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%60 = add nsw i32 %res.extent.0, -64
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%61 = getelementptr inbounds i8, i8* %res.host, i32 %60
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%62 = tail call <16 x i32> @llvm.hexagon.V6.hi(<32 x i32> %58)
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%63 = tail call <16 x i32> @llvm.hexagon.V6.vasrhubsat(<16 x i32> %62, <16 x i32> %59, i32 4)
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%64 = bitcast i8* %61 to <16 x i32>*
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store <16 x i32> %63, <16 x i32>* %64, align 1, !tbaa !10
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br label %destructor_block
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destructor_block: ; preds = %"for res.s0.x.x92.preheader", %"end for res.s0.x.x", %after_bb75, %after_bb75.thread
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ret i32 0
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}
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; Function Attrs: nounwind readnone
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declare <32 x i32> @llvm.hexagon.V6.vaddh.dv(<32 x i32>, <32 x i32>) #1
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; Function Attrs: nounwind readnone
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declare <32 x i32> @llvm.hexagon.V6.vzb(<16 x i32>) #1
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; Function Attrs: nounwind readnone
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declare <16 x i32> @llvm.hexagon.V6.hi(<32 x i32>) #1
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; Function Attrs: nounwind readnone
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declare <16 x i32> @llvm.hexagon.V6.lo(<32 x i32>) #1
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; Function Attrs: nounwind readnone
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declare <16 x i32> @llvm.hexagon.V6.vasrhubsat(<16 x i32>, <16 x i32>, i32) #1
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attributes #0 = { norecurse nounwind }
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attributes #1 = { nounwind readnone }
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!llvm.ident = !{!0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0}
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!llvm.module.flags = !{!1, !2, !3}
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!0 = !{!"Clang $LLVM_VERSION_MAJOR.$LLVM_VERSION_MINOR (based on LLVM 3.8.0)"}
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!1 = !{i32 2, !"halide_use_soft_float_abi", i32 0}
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!2 = !{i32 2, !"halide_mcpu", !"hexagonv60"}
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!3 = !{i32 2, !"halide_mattrs", !"+hvx"}
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!4 = !{!"branch_weights", i32 1073741824, i32 0}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"f", !7}
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!7 = !{!"Halide buffer"}
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!8 = !{!9, !9, i64 0}
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!9 = !{!"g", !7}
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!10 = !{!11, !11, i64 0}
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!11 = !{!"res", !7}
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