forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			70 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; REQUIRES: asserts
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; RUN: llc < %s -mtriple=arm-eabi -mcpu=cortex-a9 -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > \
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; RUN:   /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_A9
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; RUN: llc < %s -mtriple=arm-eabi -mcpu=swift -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > \
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; RUN:   /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_SWIFT
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; RUN: llc < %s -mtriple=arm-eabi -mcpu=cortex-r52 -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > \
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; RUN:   /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_R52
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;
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; Check the latency of instructions for processors with sched-models
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;
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; Function Attrs: norecurse nounwind readnone
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define i32 @foo(float %a, float %b, float %c, i32 %d) local_unnamed_addr #0 {
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entry:
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;
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; CHECK:       ********** MI Scheduling **********
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; CHECK_A9:    VADDS
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; CHECK_SWIFT: VADDfd
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; CHECK_R52:   VADDS
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; CHECK_A9:    Latency    : 5
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; CHECK_SWIFT: Latency    : 4
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; CHECK_R52:   Latency    : 6
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;
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; CHECK_A9:    VMULS
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; CHECK_SWIFT: VMULfd
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; CHECK_R52:   VMULS
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; CHECK_SWIFT: Latency    : 4
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; CHECK_A9:    Latency    : 6
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; CHECK_R52:   Latency    : 6
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;
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; CHECK:       VDIVS
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; CHECK_SWIFT: Latency    : 17
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; CHECK_A9:    Latency    : 16
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; CHECK_R52:   Latency    : 7
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;
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; CHECK:       VCVTDS
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; CHECK_SWIFT: Latency    : 4
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; CHECK_A9:    Latency    : 5
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; CHECK_R52:   Latency    : 6
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;
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; CHECK:       VADDD
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; CHECK_SWIFT: Latency    : 6
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; CHECK_A9:    Latency    : 5
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; CHECK_R52:   Latency    : 6
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;
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; CHECK:       VMULD
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; CHECK_SWIFT: Latency    : 6
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; CHECK_A9:    Latency    : 7
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; CHECK_R52:   Latency    : 6
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;
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; CHECK:       VDIVD
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; CHECK_SWIFT: Latency    : 32
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; CHECK_A9:    Latency    : 26
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; CHECK_R52:   Latency    : 17
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;
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; CHECK:       VTOSIZD
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; CHECK_SWIFT: Latency    : 4
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; CHECK_A9:    Latency    : 5
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; CHECK_R52:   Latency    : 6
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;
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  %add = fadd float %a, %b
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  %mul = fmul float %add, %add
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  %div = fdiv float %mul, %b
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  %conv1 = fpext float %div to double
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  %add3 = fadd double %conv1, %conv1
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  %mul4 = fmul double %add3, %add3
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  %div5 = fdiv double %mul4, %conv1
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  %conv6 = fptosi double %div5 to i32
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  ret i32 %conv6
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}
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