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llvm-mirror/test/Transforms/IndVarSimplify/ashr-tripcount.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

108 lines
5.1 KiB
LLVM

; RUN: opt < %s -indvars -S > %t
; RUN: grep sext %t | count 1
; Indvars should be able to eliminate all of the sign extensions
; inside the loop.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
@pow_2_tab = external constant [0 x float] ; <[0 x float]*> [#uses=1]
@pow_2_025_tab = external constant [0 x float] ; <[0 x float]*> [#uses=1]
@i_pow_2_tab = external constant [0 x float] ; <[0 x float]*> [#uses=1]
@i_pow_2_025_tab = external constant [0 x float] ; <[0 x float]*> [#uses=1]
define void @foo(i32 %gain, i32 %noOfLines, i32* %quaSpectrum, float* %iquaSpectrum, float* %pow4_3_tab_ptr) nounwind {
entry:
%t0 = icmp slt i32 %gain, 0 ; <i1> [#uses=1]
br i1 %t0, label %bb1, label %bb2
bb1: ; preds = %entry
%t1 = sub i32 0, %gain ; <i32> [#uses=1]
%t2 = sub i32 0, %gain ; <i32> [#uses=1]
br label %bb2
bb2: ; preds = %bb1, %entry
%pow_2_tab.pn = phi [0 x float]* [ @i_pow_2_tab, %bb1 ], [ @pow_2_tab, %entry ] ; <[0 x float]*> [#uses=1]
%.pn3.in.in = phi i32 [ %t1, %bb1 ], [ %gain, %entry ] ; <i32> [#uses=1]
%pow_2_025_tab.pn = phi [0 x float]* [ @i_pow_2_025_tab, %bb1 ], [ @pow_2_025_tab, %entry ] ; <[0 x float]*> [#uses=1]
%.pn2.in.in = phi i32 [ %t2, %bb1 ], [ %gain, %entry ] ; <i32> [#uses=1]
%.pn3.in = ashr i32 %.pn3.in.in, 2 ; <i32> [#uses=1]
%.pn2.in = and i32 %.pn2.in.in, 3 ; <i32> [#uses=1]
%.pn3 = sext i32 %.pn3.in to i64 ; <i64> [#uses=1]
%.pn2 = zext i32 %.pn2.in to i64 ; <i64> [#uses=1]
%.pn.in = getelementptr [0 x float]* %pow_2_tab.pn, i64 0, i64 %.pn3 ; <float*> [#uses=1]
%.pn1.in = getelementptr [0 x float]* %pow_2_025_tab.pn, i64 0, i64 %.pn2 ; <float*> [#uses=1]
%.pn = load float* %.pn.in ; <float> [#uses=1]
%.pn1 = load float* %.pn1.in ; <float> [#uses=1]
%invQuantizer.0 = fmul float %.pn, %.pn1 ; <float> [#uses=4]
%t3 = ashr i32 %noOfLines, 2 ; <i32> [#uses=1]
%t4 = icmp sgt i32 %t3, 0 ; <i1> [#uses=1]
br i1 %t4, label %bb.nph, label %return
bb.nph: ; preds = %bb2
%t5 = ashr i32 %noOfLines, 2 ; <i32> [#uses=1]
br label %bb3
bb3: ; preds = %bb4, %bb.nph
%i.05 = phi i32 [ %t49, %bb4 ], [ 0, %bb.nph ] ; <i32> [#uses=9]
%k.04 = phi i32 [ %t48, %bb4 ], [ 0, %bb.nph ] ; <i32> [#uses=1]
%t6 = sext i32 %i.05 to i64 ; <i64> [#uses=1]
%t7 = getelementptr i32* %quaSpectrum, i64 %t6 ; <i32*> [#uses=1]
%t8 = load i32* %t7, align 4 ; <i32> [#uses=1]
%t9 = zext i32 %t8 to i64 ; <i64> [#uses=1]
%t10 = getelementptr float* %pow4_3_tab_ptr, i64 %t9 ; <float*> [#uses=1]
%t11 = load float* %t10, align 4 ; <float> [#uses=1]
%t12 = or i32 %i.05, 1 ; <i32> [#uses=1]
%t13 = sext i32 %t12 to i64 ; <i64> [#uses=1]
%t14 = getelementptr i32* %quaSpectrum, i64 %t13 ; <i32*> [#uses=1]
%t15 = load i32* %t14, align 4 ; <i32> [#uses=1]
%t16 = zext i32 %t15 to i64 ; <i64> [#uses=1]
%t17 = getelementptr float* %pow4_3_tab_ptr, i64 %t16 ; <float*> [#uses=1]
%t18 = load float* %t17, align 4 ; <float> [#uses=1]
%t19 = or i32 %i.05, 2 ; <i32> [#uses=1]
%t20 = sext i32 %t19 to i64 ; <i64> [#uses=1]
%t21 = getelementptr i32* %quaSpectrum, i64 %t20 ; <i32*> [#uses=1]
%t22 = load i32* %t21, align 4 ; <i32> [#uses=1]
%t23 = zext i32 %t22 to i64 ; <i64> [#uses=1]
%t24 = getelementptr float* %pow4_3_tab_ptr, i64 %t23 ; <float*> [#uses=1]
%t25 = load float* %t24, align 4 ; <float> [#uses=1]
%t26 = or i32 %i.05, 3 ; <i32> [#uses=1]
%t27 = sext i32 %t26 to i64 ; <i64> [#uses=1]
%t28 = getelementptr i32* %quaSpectrum, i64 %t27 ; <i32*> [#uses=1]
%t29 = load i32* %t28, align 4 ; <i32> [#uses=1]
%t30 = zext i32 %t29 to i64 ; <i64> [#uses=1]
%t31 = getelementptr float* %pow4_3_tab_ptr, i64 %t30 ; <float*> [#uses=1]
%t32 = load float* %t31, align 4 ; <float> [#uses=1]
%t33 = fmul float %t11, %invQuantizer.0 ; <float> [#uses=1]
%t34 = sext i32 %i.05 to i64 ; <i64> [#uses=1]
%t35 = getelementptr float* %iquaSpectrum, i64 %t34 ; <float*> [#uses=1]
store float %t33, float* %t35, align 4
%t36 = or i32 %i.05, 1 ; <i32> [#uses=1]
%t37 = fmul float %t18, %invQuantizer.0 ; <float> [#uses=1]
%t38 = sext i32 %t36 to i64 ; <i64> [#uses=1]
%t39 = getelementptr float* %iquaSpectrum, i64 %t38 ; <float*> [#uses=1]
store float %t37, float* %t39, align 4
%t40 = or i32 %i.05, 2 ; <i32> [#uses=1]
%t41 = fmul float %t25, %invQuantizer.0 ; <float> [#uses=1]
%t42 = sext i32 %t40 to i64 ; <i64> [#uses=1]
%t43 = getelementptr float* %iquaSpectrum, i64 %t42 ; <float*> [#uses=1]
store float %t41, float* %t43, align 4
%t44 = or i32 %i.05, 3 ; <i32> [#uses=1]
%t45 = fmul float %t32, %invQuantizer.0 ; <float> [#uses=1]
%t46 = sext i32 %t44 to i64 ; <i64> [#uses=1]
%t47 = getelementptr float* %iquaSpectrum, i64 %t46 ; <float*> [#uses=1]
store float %t45, float* %t47, align 4
%t48 = add i32 %k.04, 1 ; <i32> [#uses=2]
%t49 = add i32 %i.05, 4 ; <i32> [#uses=1]
br label %bb4
bb4: ; preds = %bb3
%t50 = icmp sgt i32 %t5, %t48 ; <i1> [#uses=1]
br i1 %t50, label %bb3, label %bb4.return_crit_edge
bb4.return_crit_edge: ; preds = %bb4
br label %return
return: ; preds = %bb4.return_crit_edge, %bb2
ret void
}