20 lines
727 B
LLVM
20 lines
727 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-- | FileCheck %s
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define i32 @test(i32 %X, i32 %Y) {
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; Push the shl through the mul to allow an LEA to be formed, instead
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; of using a shift and add separately.
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; CHECK-LABEL: test:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: imull %eax, %ecx
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; CHECK-NEXT: leal (%eax,%ecx,2), %eax
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; CHECK-NEXT: retl
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%tmp.2 = shl i32 %X, 1 ; <i32> [#uses=1]
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%tmp.3 = mul i32 %tmp.2, %Y ; <i32> [#uses=1]
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%tmp.5 = add i32 %tmp.3, %Y ; <i32> [#uses=1]
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ret i32 %tmp.5
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}
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