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94bc1c84bc
Summary: It was recently discovered that, for Mips's SelectionDAGISel subclasses, all optimization levels caused SelectionDAGISel to behave like -O2. This change adds the necessary plumbing to initialize the optimization level. Reviewers: andrew.w.kaylor Subscribers: andrew.w.kaylor, sdardis, dean, llvm-commits, vradosavljevic, petarj, qcolombet, probinson, dsanders Differential Revision: https://reviews.llvm.org/D14900 llvm-svn: 275410
23 lines
685 B
LLVM
23 lines
685 B
LLVM
; RUN: llc -march=mips -fast-isel=false -O0 < %s 2>&1 | FileCheck %s -check-prefix=O0
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; RUN: llc -march=mips -fast-isel=false -O2 < %s 2>&1 | FileCheck %s -check-prefix=O2
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; At -O0, DAGCombine won't try to merge these consecutive loads but it will at
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; -O2.
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define void @foo() nounwind {
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entry:
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%0 = alloca [2 x i8], align 32
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%1 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 0
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store i8 1, i8* %1
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%2 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 1
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store i8 1, i8* %2
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ret void
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}
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; O0: addiu $[[REG:[0-9]+]], $zero, 1
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; O0-DAG: sb $[[REG]], 0($sp)
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; O0-DAG: sb $[[REG]], 1($sp)
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; O2: addiu $[[REG:[0-9]+]], $zero, 257
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; O2: sh $[[REG]], 0($sp)
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