30 lines
844 B
LLVM
30 lines
844 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown -mattr=+bmi2 | FileCheck %s
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; RUN: llc < %s -mtriple=i686-unknown -mcpu=core-avx2 | FileCheck %s
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define i64 @f1(i32 %a, i32 %b) {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
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; CHECK-NEXT: mulxl {{[0-9]+}}(%esp), %eax, %edx
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; CHECK-NEXT: retl
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%x = zext i32 %a to i64
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%y = zext i32 %b to i64
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%r = mul i64 %x, %y
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ret i64 %r
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}
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define i64 @f2(i32 %a, i32* %p) {
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; CHECK-LABEL: f2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: mulxl (%eax), %eax, %edx
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; CHECK-NEXT: retl
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%b = load i32, i32* %p
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%x = zext i32 %a to i64
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%y = zext i32 %b to i64
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%r = mul i64 %x, %y
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ret i64 %r
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}
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