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	This will make it easier to turn on struct-path aware TBAA since the metadata format will change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180796 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			96 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s
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| 
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| @in = global float 0x400921FA00000000, align 4
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| 
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| ; Test signed conversion.
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| ; CHECK: t0
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| ; CHECK-NOT: vmul
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| define void @t0() nounwind {
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| entry:
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|   %tmp = load float* @in, align 4
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|   %vecinit.i = insertelement <2 x float> undef, float %tmp, i32 0
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|   %vecinit2.i = insertelement <2 x float> %vecinit.i, float %tmp, i32 1
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|   %mul.i = fmul <2 x float> %vecinit2.i, <float 8.000000e+00, float 8.000000e+00>
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|   %vcvt.i = fptosi <2 x float> %mul.i to <2 x i32>
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|   tail call void @foo_int32x2_t(<2 x i32> %vcvt.i) nounwind
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|   ret void
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| }
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| 
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| declare void @foo_int32x2_t(<2 x i32>)
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| 
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| ; Test unsigned conversion.
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| ; CHECK: t1
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| ; CHECK-NOT: vmul
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| define void @t1() nounwind {
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| entry:
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|   %tmp = load float* @in, align 4
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|   %vecinit.i = insertelement <2 x float> undef, float %tmp, i32 0
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|   %vecinit2.i = insertelement <2 x float> %vecinit.i, float %tmp, i32 1
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|   %mul.i = fmul <2 x float> %vecinit2.i, <float 8.000000e+00, float 8.000000e+00>
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|   %vcvt.i = fptoui <2 x float> %mul.i to <2 x i32>
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|   tail call void @foo_uint32x2_t(<2 x i32> %vcvt.i) nounwind
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|   ret void
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| }
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| 
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| declare void @foo_uint32x2_t(<2 x i32>)
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| 
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| ; Test which should not fold due to non-power of 2.
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| ; CHECK: t2
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| ; CHECK: vmul
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| define void @t2() nounwind {
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| entry:
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|   %tmp = load float* @in, align 4
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|   %vecinit.i = insertelement <2 x float> undef, float %tmp, i32 0
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|   %vecinit2.i = insertelement <2 x float> %vecinit.i, float %tmp, i32 1
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|   %mul.i = fmul <2 x float> %vecinit2.i, <float 0x401B333340000000, float 0x401B333340000000>
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|   %vcvt.i = fptosi <2 x float> %mul.i to <2 x i32>
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|   tail call void @foo_int32x2_t(<2 x i32> %vcvt.i) nounwind
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|   ret void
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| }
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| 
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| ; Test which should not fold due to power of 2 out of range.
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| ; CHECK: t3
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| ; CHECK: vmul
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| define void @t3() nounwind {
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| entry:
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|   %tmp = load float* @in, align 4
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|   %vecinit.i = insertelement <2 x float> undef, float %tmp, i32 0
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|   %vecinit2.i = insertelement <2 x float> %vecinit.i, float %tmp, i32 1
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|   %mul.i = fmul <2 x float> %vecinit2.i, <float 0x4200000000000000, float 0x4200000000000000>
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|   %vcvt.i = fptosi <2 x float> %mul.i to <2 x i32>
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|   tail call void @foo_int32x2_t(<2 x i32> %vcvt.i) nounwind
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|   ret void
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| }
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| 
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| ; Test which case where const is max power of 2 (i.e., 2^32).
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| ; CHECK: t4
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| ; CHECK-NOT: vmul
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| define void @t4() nounwind {
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| entry:
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|   %tmp = load float* @in, align 4
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|   %vecinit.i = insertelement <2 x float> undef, float %tmp, i32 0
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|   %vecinit2.i = insertelement <2 x float> %vecinit.i, float %tmp, i32 1
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|   %mul.i = fmul <2 x float> %vecinit2.i, <float 0x41F0000000000000, float 0x41F0000000000000>
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|   %vcvt.i = fptosi <2 x float> %mul.i to <2 x i32>
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|   tail call void @foo_int32x2_t(<2 x i32> %vcvt.i) nounwind
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|   ret void
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| }
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| 
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| ; Test quadword.
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| ; CHECK: t5
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| ; CHECK-NOT: vmul
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| define void @t5() nounwind {
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| entry:
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|   %tmp = load float* @in, align 4
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|   %vecinit.i = insertelement <4 x float> undef, float %tmp, i32 0
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|   %vecinit2.i = insertelement <4 x float> %vecinit.i, float %tmp, i32 1
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|   %vecinit4.i = insertelement <4 x float> %vecinit2.i, float %tmp, i32 2
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|   %vecinit6.i = insertelement <4 x float> %vecinit4.i, float %tmp, i32 3
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|   %mul.i = fmul <4 x float> %vecinit6.i, <float 8.000000e+00, float 8.000000e+00, float 8.000000e+00, float 8.000000e+00>
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|   %vcvt.i = fptosi <4 x float> %mul.i to <4 x i32>
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|   tail call void @foo_int32x4_t(<4 x i32> %vcvt.i) nounwind
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|   ret void
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| }
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| 
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| declare void @foo_int32x4_t(<4 x i32>)
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