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author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
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committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/Transforms/Reassociate/fast-ArrayOutOfBounds.ll | |
parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/Transforms/Reassociate/fast-ArrayOutOfBounds.ll')
-rw-r--r-- | test/Transforms/Reassociate/fast-ArrayOutOfBounds.ll | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/fast-ArrayOutOfBounds.ll b/test/Transforms/Reassociate/fast-ArrayOutOfBounds.ll new file mode 100644 index 0000000..0109e4f --- /dev/null +++ b/test/Transforms/Reassociate/fast-ArrayOutOfBounds.ll @@ -0,0 +1,65 @@ +; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s + +; Not marked as fast, so must not change. +define float @test1(float %a0, float %a1, float %a2, float %a3, float %a4) { +; CHECK-LABEL: test1 +; CHECK-NEXT: %tmp.2 = fadd float %a3, %a4 +; CHECK-NEXT: %tmp.4 = fadd float %tmp.2, %a2 +; CHECK-NEXT: %tmp.6 = fadd float %tmp.4, %a1 +; CHECK-NEXT: %tmp.8 = fadd float %tmp.6, %a0 +; CHECK-NEXT: %tmp.11 = fadd float %a2, %a3 +; CHECK-NEXT: %tmp.13 = fadd float %tmp.11, %a1 +; CHECK-NEXT: %tmp.15 = fadd float %tmp.13, %a0 +; CHECK-NEXT: %tmp.18 = fadd float %a1, %a2 +; CHECK-NEXT: %tmp.20 = fadd float %tmp.18, %a0 +; CHECK-NEXT: %tmp.23 = fadd float %a0, %a1 +; CHECK-NEXT: %tmp.26 = fsub float %tmp.8, %tmp.15 +; CHECK-NEXT: %tmp.28 = fadd float %tmp.20, %tmp.26 +; CHECK-NEXT: %tmp.30 = fsub float %tmp.28, %tmp.23 +; CHECK-NEXT: %tmp.32 = fsub float %tmp.30, %a4 +; CHECK-NEXT: %tmp.34 = fsub float %tmp.32, %a2 +; CHECK-NEXT: %T = fmul float %tmp.34, %tmp.34 +; CHECK-NEXT: ret float %T + + %tmp.2 = fadd float %a4, %a3 + %tmp.4 = fadd float %tmp.2, %a2 + %tmp.6 = fadd float %tmp.4, %a1 + %tmp.8 = fadd float %tmp.6, %a0 + %tmp.11 = fadd float %a3, %a2 + %tmp.13 = fadd float %tmp.11, %a1 + %tmp.15 = fadd float %tmp.13, %a0 + %tmp.18 = fadd float %a2, %a1 + %tmp.20 = fadd float %tmp.18, %a0 + %tmp.23 = fadd float %a1, %a0 + %tmp.26 = fsub float %tmp.8, %tmp.15 + %tmp.28 = fadd float %tmp.26, %tmp.20 + %tmp.30 = fsub float %tmp.28, %tmp.23 + %tmp.32 = fsub float %tmp.30, %a4 + %tmp.34 = fsub float %tmp.32, %a2 + %T = fmul float %tmp.34, %tmp.34 + ret float %T +} + +; Should be able to eliminate everything. +define float @test2(float %a0, float %a1, float %a2, float %a3, float %a4) { +; CHECK-LABEL: test2 +; CHECK: ret float 0.000000e+00 + + %tmp.2 = fadd fast float %a4, %a3 + %tmp.4 = fadd fast float %tmp.2, %a2 + %tmp.6 = fadd fast float %tmp.4, %a1 + %tmp.8 = fadd fast float %tmp.6, %a0 + %tmp.11 = fadd fast float %a3, %a2 + %tmp.13 = fadd fast float %tmp.11, %a1 + %tmp.15 = fadd fast float %tmp.13, %a0 + %tmp.18 = fadd fast float %a2, %a1 + %tmp.20 = fadd fast float %tmp.18, %a0 + %tmp.23 = fadd fast float %a1, %a0 + %tmp.26 = fsub fast float %tmp.8, %tmp.15 + %tmp.28 = fadd fast float %tmp.26, %tmp.20 + %tmp.30 = fsub fast float %tmp.28, %tmp.23 + %tmp.32 = fsub fast float %tmp.30, %a4 + %tmp.34 = fsub fast float %tmp.32, %a2 + %T = fmul fast float %tmp.34, %tmp.34 + ret float %T +} |