c965fd942f
Add extra diagnostics for the inline cost analysis under -print-instruction-deltas cl option. When enabled along with -debug-only=inline-cost it prints the IR of inline candidate annotated with cost and threshold change per every instruction. Reviewed By: apilipenko, davidxl, mtrofin Differential Revision: https://reviews.llvm.org/D71501
39 lines
1.4 KiB
LLVM
39 lines
1.4 KiB
LLVM
; RUN: opt < %s -inline -debug-only=inline-cost -disable-output -print-instruction-deltas 2>&1 | FileCheck %s
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; CHECK: Analyzing call of callee1... (caller:foo)
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; CHECK: define i32 @callee1(i32 %x) {
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; CHECK: ; cost before = {{.*}}, cost after = {{.*}}, threshold before = {{.*}}, threshold after = {{.*}}, cost delta = 5
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; CHECK: %x1 = add i32 %x, 1
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; CHECK: ; cost before = {{.*}}, cost after = {{.*}}, threshold before = {{.*}}, threshold after = {{.*}}, cost delta = 5
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; CHECK: %x2 = add i32 %x1, 1
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; CHECK: ; cost before = {{.*}}, cost after = {{.*}}, threshold before = {{.*}}, threshold after = {{.*}}, cost delta = 5
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; CHECK: %x3 = add i32 %x2, 1
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; CHECK: ; cost before = {{.*}}, cost after = {{.*}}, threshold before = {{.*}}, threshold after = {{.*}}, cost delta = 0
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; CHECK: ret i32 %x3
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; CHECK: }
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; CHECK: NumConstantArgs: 0
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; CHECK: NumConstantOffsetPtrArgs: 0
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; CHECK: NumAllocaArgs: 0
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; CHECK: NumConstantPtrCmps: 0
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; CHECK: NumConstantPtrDiffs: 0
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; CHECK: NumInstructionsSimplified: 1
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; CHECK: NumInstructions: 4
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; CHECK: SROACostSavings: 0
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; CHECK: SROACostSavingsLost: 0
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; CHECK: LoadEliminationCost: 0
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; CHECK: ContainsNoDuplicateCall: 0
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; CHECK: Cost: {{.*}}
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; CHECK: Threshold: {{.*}}
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define i32 @foo(i32 %y) {
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%x = call i32 @callee1(i32 %y)
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ret i32 %x
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}
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define i32 @callee1(i32 %x) {
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%x1 = add i32 %x, 1
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%x2 = add i32 %x1, 1
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%x3 = add i32 %x2, 1
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ret i32 %x3
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}
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