derek.holloway
7502bf64a4
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222 lines
10 KiB
LLVM
222 lines
10 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -passes="print<cost-model>" 2>&1 -disable-output -mtriple=aarch64-unknown-linux \
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; RUN: -mattr=-fullfp16 | FileCheck %s --check-prefixes=CHECK,NOFP16
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; RUN: opt < %s -passes="print<cost-model>" 2>&1 -disable-output -mtriple=aarch64-unknown-linux \
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; RUN: -mattr=+fullfp16 | FileCheck %s --check-prefixes=CHECK,FULLFP16
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; res = lane 0 * lane 1
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define double @extract_case1(<2 x double> %a) {
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; CHECK-LABEL: 'extract_case1'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x double> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %1 = extractelement <2 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul double %0, %1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %res
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;
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entry:
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%1 = extractelement <2 x double> %a, i32 0
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%2 = extractelement <2 x double> %a, i32 1
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%res = fmul double %1, %2
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ret double %res
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}
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; res = lane 1 * lane 1
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define double @extract_case2(<2 x double> %a) {
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; CHECK-LABEL: 'extract_case2'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %0 = extractelement <2 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul double %0, %0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %res
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;
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entry:
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%1 = extractelement <2 x double> %a, i32 1
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%res = fmul double %1, %1
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ret double %res
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}
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; res = lane 0 * lane 0
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define double @extract_case3(<2 x double> %a) {
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; CHECK-LABEL: 'extract_case3'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x double> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul double %0, %0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %res
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;
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entry:
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%1 = extractelement <2 x double> %a, i32 0
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%res = fmul double %1, %1
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ret double %res
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}
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; res = lane 0 * scalar
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define double @extract_case4(<2 x double> %a, double %b) {
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; CHECK-LABEL: 'extract_case4'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x double> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul double %0, %b
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %res
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;
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entry:
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%1 = extractelement <2 x double> %a, i32 0
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%res = fmul double %1, %b
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ret double %res
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}
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; res = lane 1 * scalar
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define double @extract_case5(<2 x double> %a, double %b) {
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; CHECK-LABEL: 'extract_case5'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul double %0, %b
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %res
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;
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entry:
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%1 = extractelement <2 x double> %a, i32 1
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%res = fmul double %1, %b
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ret double %res
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}
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; Input vector = <3 x double> (i.e. odd length vector)
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; res = lane 0 * lane 1
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define double @extract_case6(<3 x double> %a) {
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; CHECK-LABEL: 'extract_case6'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <3 x double> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %1 = extractelement <3 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul double %0, %1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %res
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;
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entry:
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%1 = extractelement <3 x double> %a, i32 0
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%2 = extractelement <3 x double> %a, i32 1
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%res = fmul double %1, %2
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ret double %res
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}
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; res = lane 1 * lane 2
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; Extract from lane 2 is equivalent to extract from lane 0 of other 128-bit
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; register. But for other register sizes, this is not the case.
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define double @extract_case7(<4 x double> %a) {
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; CHECK-LABEL: 'extract_case7'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <4 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %1 = extractelement <4 x double> %a, i32 2
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul double %0, %1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %res
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;
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entry:
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%1 = extractelement <4 x double> %a, i32 1
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%2 = extractelement <4 x double> %a, i32 2
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%res = fmul double %1, %2
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ret double %res
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}
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; res = lane 0 * lane 1
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; Additional insert of extract from lane 1.
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define double @extract_case8(<2 x double> %a) {
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; CHECK-LABEL: 'extract_case8'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x double> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %1 = extractelement <2 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %2 = insertelement <2 x double> %a, double %1, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %3 = call double @llvm.vector.reduce.fmul.v2f64(double 0.000000e+00, <2 x double> %2)
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %4 = fmul double %0, %1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %5 = fmul double %3, %4
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %5
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;
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entry:
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%1 = extractelement <2 x double> %a, i32 0
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%2 = extractelement <2 x double> %a, i32 1
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%3 = insertelement <2 x double> %a, double %2, i32 0
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%4 = call double @llvm.vector.reduce.fmul.v2f64(double 0.0, <2 x double> %3)
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%5 = fmul double %1, %2
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%6 = fmul double %4, %5
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ret double %6
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}
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; res = lane 0 * lane 1
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; Additional insert of extract from lane 1.
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define double @extract_case9(<2 x double> %a) {
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; CHECK-LABEL: 'extract_case9'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x double> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %1 = extractelement <2 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %2 = insertelement <2 x double> %a, double %1, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %3 = call double @llvm.vector.reduce.fadd.v2f64(double 0.000000e+00, <2 x double> %2)
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %4 = fmul double %0, %1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %5 = fmul double %3, %4
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %5
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;
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entry:
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%1 = extractelement <2 x double> %a, i32 0
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%2 = extractelement <2 x double> %a, i32 1
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%3 = insertelement <2 x double> %a, double %2, i32 0
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%4 = call double @llvm.vector.reduce.fadd.v2f64(double 0.0, <2 x double> %3)
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%5 = fmul double %1, %2
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%6 = fmul double %4, %5
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ret double %6
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}
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; res = lane 0 * lane 1
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; Extract from lane 1 passed as function param.
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define double @extract_case10(<4 x double> %a) {
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; CHECK-LABEL: 'extract_case10'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <4 x double> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %1 = extractelement <4 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: call void @foo(double %1)
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %2 = fmul double %0, %1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %2
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;
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entry:
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%1 = extractelement <4 x double> %a, i32 0
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%2 = extractelement <4 x double> %a, i32 1
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call void @foo(double %2)
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%3 = fmul double %1, %2
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ret double %3
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}
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; res = lane 0 * lane 1
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define half @extract_case11(<2 x half> %a) {
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; NOFP16-LABEL: 'extract_case11'
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; NOFP16-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x half> %a, i32 0
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; NOFP16-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %1 = extractelement <2 x half> %a, i32 1
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; NOFP16-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %res = fmul half %0, %1
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; NOFP16-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret half %res
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;
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; FULLFP16-LABEL: 'extract_case11'
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; FULLFP16-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x half> %a, i32 0
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; FULLFP16-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %1 = extractelement <2 x half> %a, i32 1
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; FULLFP16-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul half %0, %1
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; FULLFP16-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret half %res
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;
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entry:
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%1 = extractelement <2 x half> %a, i32 0
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%2 = extractelement <2 x half> %a, i32 1
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%res = fmul half %1, %2
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ret half %res
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}
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; res = lane 0 * lane 1
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define float @extract_case12(<2 x float> %a) {
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; CHECK-LABEL: 'extract_case12'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x float> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %1 = extractelement <2 x float> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %res = fmul float %0, %1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret float %res
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;
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entry:
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%1 = extractelement <2 x float> %a, i32 0
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%2 = extractelement <2 x float> %a, i32 1
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%res = fmul float %1, %2
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ret float %res
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}
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; res = lane 0 + lane 1
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; Use of bin-op other than fmul.
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define double @extract_case13(<2 x double> %a) {
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; CHECK-LABEL: 'extract_case13'
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %0 = extractelement <2 x double> %a, i32 0
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; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %1 = extractelement <2 x double> %a, i32 1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %res = fadd double %0, %1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret double %res
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;
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entry:
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%1 = extractelement <2 x double> %a, i32 0
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%2 = extractelement <2 x double> %a, i32 1
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%res = fadd double %1, %2
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ret double %res
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}
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declare void @foo(double)
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