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llvm-project/llvm/test/CodeGen/PowerPC/2008-09-12-CoalescerBug.ll

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LLVM
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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-unknown-linux-gnu | FileCheck %s
%struct.CGLDI = type { %struct.cgli*, i32, i32, i32, i32, i32, i8*, i32, void (%struct.CGLSI*, i32, %struct.CGLDI*)*, i8*, %struct.vv_t }
%struct.cgli = type { i32, %struct.cgli*, void (%struct.cgli*, i8*, i8*, i32, i32, i32, i32, i32, i32, i32, i32)*, i32, i8*, i8*, i8*, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, i8*, i32*, %struct._cgro*, %struct._cgro*, float, float, float, float, i32, i8*, float, i8*, [16 x i32] }
%struct.CGLSI = type { %struct.cgli*, i32, i8*, i8*, i32, i32, i8*, void (%struct.cgli*, i8*, i8*, i32, i32, i32, i32, i32, i32, i32, i32)*, %struct.vv_t, %struct.vv_t, %struct.xx_t* }
%struct._cgro = type opaque
%struct.xx_t = type { [3 x %struct.vv_t], [2 x %struct.vv_t], [2 x [3 x i8*]] }
%struct.vv_t = type { <16 x i8> }
@llvm.used = appending global [1 x i8*] [ i8* bitcast (void (%struct.CGLSI*, i32, %struct.CGLDI*)* @lb to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
; CHECK: lb
; CHECK: blr
define void @lb(%struct.CGLSI* %src, i32 %n, %struct.CGLDI* %dst) nounwind {
entry:
%0 = load i32, i32* null, align 4 ; <i32> [#uses=1]
%1 = icmp sgt i32 %0, 0 ; <i1> [#uses=1]
br i1 %1, label %bb.nph4945, label %return
bb.nph4945: ; preds = %entry
%2 = bitcast [2 x %struct.vv_t]* null to i64* ; <i64*> [#uses=6]
%3 = getelementptr [2 x i64], [2 x i64]* null, i32 0, i32 1 ; <i64*> [#uses=6]
%4 = bitcast %struct.vv_t* null to i64* ; <i64*> [#uses=5]
%5 = getelementptr [2 x i64], [2 x i64]* null, i32 0, i32 1 ; <i64*> [#uses=3]
br label %bb2326
bb2217: ; preds = %bb2326
%6 = or i64 0, 0 ; <i64> [#uses=2]
%7 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%8 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%9 = getelementptr float, float* null, i32 2 ; <float*> [#uses=1]
%10 = load float, float* %9, align 4 ; <float> [#uses=1]
%11 = getelementptr float, float* null, i32 3 ; <float*> [#uses=1]
%12 = load float, float* %11, align 4 ; <float> [#uses=1]
%13 = fmul float %10, 6.553500e+04 ; <float> [#uses=1]
%14 = fadd float %13, 5.000000e-01 ; <float> [#uses=1]
%15 = fmul float %12, 6.553500e+04 ; <float> [#uses=1]
%16 = fadd float %15, 5.000000e-01 ; <float> [#uses=3]
%17 = fcmp olt float %14, 0.000000e+00 ; <i1> [#uses=0]
%18 = fcmp olt float %16, 0.000000e+00 ; <i1> [#uses=1]
br i1 %18, label %bb2265, label %bb2262
bb2262: ; preds = %bb2217
%19 = fcmp ogt float %16, 6.553500e+04 ; <i1> [#uses=1]
br i1 %19, label %bb2264, label %bb2265
bb2264: ; preds = %bb2262
br label %bb2265
bb2265: ; preds = %bb2264, %bb2262, %bb2217
%f3596.0 = phi float [ 6.553500e+04, %bb2264 ], [ 0.000000e+00, %bb2217 ], [ %16, %bb2262 ] ; <float> [#uses=1]
%20 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%21 = fptosi float %f3596.0 to i32 ; <i32> [#uses=1]
%22 = zext i32 %7 to i64 ; <i64> [#uses=1]
%23 = shl i64 %22, 48 ; <i64> [#uses=1]
%24 = zext i32 %8 to i64 ; <i64> [#uses=1]
%25 = shl i64 %24, 32 ; <i64> [#uses=1]
%26 = sext i32 %20 to i64 ; <i64> [#uses=1]
%27 = shl i64 %26, 16 ; <i64> [#uses=1]
%28 = sext i32 %21 to i64 ; <i64> [#uses=1]
%29 = or i64 %25, %23 ; <i64> [#uses=1]
%30 = or i64 %29, %27 ; <i64> [#uses=1]
%31 = or i64 %30, %28 ; <i64> [#uses=2]
%32 = shl i64 %6, 48 ; <i64> [#uses=1]
%33 = shl i64 %31, 32 ; <i64> [#uses=1]
%34 = and i64 %33, 281470681743360 ; <i64> [#uses=1]
store i64 %6, i64* %2, align 16
store i64 %31, i64* %3, align 8
%35 = getelementptr i8, i8* null, i32 0 ; <i8*> [#uses=1]
%36 = bitcast i8* %35 to float* ; <float*> [#uses=4]
%37 = load float, float* %36, align 4 ; <float> [#uses=1]
%38 = getelementptr float, float* %36, i32 1 ; <float*> [#uses=1]
%39 = load float, float* %38, align 4 ; <float> [#uses=1]
%40 = fmul float %37, 6.553500e+04 ; <float> [#uses=1]
%41 = fadd float %40, 5.000000e-01 ; <float> [#uses=1]
%42 = fmul float %39, 6.553500e+04 ; <float> [#uses=1]
%43 = fadd float %42, 5.000000e-01 ; <float> [#uses=3]
%44 = fcmp olt float %41, 0.000000e+00 ; <i1> [#uses=0]
%45 = fcmp olt float %43, 0.000000e+00 ; <i1> [#uses=1]
br i1 %45, label %bb2277, label %bb2274
bb2274: ; preds = %bb2265
%46 = fcmp ogt float %43, 6.553500e+04 ; <i1> [#uses=0]
br label %bb2277
bb2277: ; preds = %bb2274, %bb2265
%f1582.0 = phi float [ 0.000000e+00, %bb2265 ], [ %43, %bb2274 ] ; <float> [#uses=1]
%47 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%48 = fptosi float %f1582.0 to i32 ; <i32> [#uses=1]
%49 = getelementptr float, float* %36, i32 2 ; <float*> [#uses=1]
%50 = load float, float* %49, align 4 ; <float> [#uses=1]
%51 = getelementptr float, float* %36, i32 3 ; <float*> [#uses=1]
%52 = load float, float* %51, align 4 ; <float> [#uses=1]
%53 = fmul float %50, 6.553500e+04 ; <float> [#uses=1]
%54 = fadd float %53, 5.000000e-01 ; <float> [#uses=1]
%55 = fmul float %52, 6.553500e+04 ; <float> [#uses=1]
%56 = fadd float %55, 5.000000e-01 ; <float> [#uses=1]
%57 = fcmp olt float %54, 0.000000e+00 ; <i1> [#uses=0]
%58 = fcmp olt float %56, 0.000000e+00 ; <i1> [#uses=0]
%59 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%60 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%61 = zext i32 %47 to i64 ; <i64> [#uses=1]
%62 = shl i64 %61, 48 ; <i64> [#uses=1]
%63 = zext i32 %48 to i64 ; <i64> [#uses=1]
%64 = shl i64 %63, 32 ; <i64> [#uses=1]
%65 = sext i32 %59 to i64 ; <i64> [#uses=1]
%66 = shl i64 %65, 16 ; <i64> [#uses=1]
%67 = sext i32 %60 to i64 ; <i64> [#uses=1]
%68 = or i64 %64, %62 ; <i64> [#uses=1]
%69 = or i64 %68, %66 ; <i64> [#uses=1]
%70 = or i64 %69, %67 ; <i64> [#uses=2]
%71 = getelementptr i8, i8* null, i32 0 ; <i8*> [#uses=1]
%72 = bitcast i8* %71 to float* ; <float*> [#uses=4]
%73 = load float, float* %72, align 4 ; <float> [#uses=1]
%74 = getelementptr float, float* %72, i32 1 ; <float*> [#uses=1]
%75 = load float, float* %74, align 4 ; <float> [#uses=1]
%76 = fmul float %73, 6.553500e+04 ; <float> [#uses=1]
%77 = fadd float %76, 5.000000e-01 ; <float> [#uses=3]
%78 = fmul float %75, 6.553500e+04 ; <float> [#uses=1]
%79 = fadd float %78, 5.000000e-01 ; <float> [#uses=1]
%80 = fcmp olt float %77, 0.000000e+00 ; <i1> [#uses=1]
br i1 %80, label %bb2295, label %bb2292
bb2292: ; preds = %bb2277
%81 = fcmp ogt float %77, 6.553500e+04 ; <i1> [#uses=1]
br i1 %81, label %bb2294, label %bb2295
bb2294: ; preds = %bb2292
br label %bb2295
bb2295: ; preds = %bb2294, %bb2292, %bb2277
%f0569.0 = phi float [ 6.553500e+04, %bb2294 ], [ 0.000000e+00, %bb2277 ], [ %77, %bb2292 ] ; <float> [#uses=1]
%82 = fcmp olt float %79, 0.000000e+00 ; <i1> [#uses=0]
%83 = fptosi float %f0569.0 to i32 ; <i32> [#uses=1]
%84 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%85 = getelementptr float, float* %72, i32 2 ; <float*> [#uses=1]
%86 = load float, float* %85, align 4 ; <float> [#uses=1]
%87 = getelementptr float, float* %72, i32 3 ; <float*> [#uses=1]
%88 = load float, float* %87, align 4 ; <float> [#uses=1]
%89 = fmul float %86, 6.553500e+04 ; <float> [#uses=1]
%90 = fadd float %89, 5.000000e-01 ; <float> [#uses=1]
%91 = fmul float %88, 6.553500e+04 ; <float> [#uses=1]
%92 = fadd float %91, 5.000000e-01 ; <float> [#uses=1]
%93 = fcmp olt float %90, 0.000000e+00 ; <i1> [#uses=0]
%94 = fcmp olt float %92, 0.000000e+00 ; <i1> [#uses=0]
%95 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%96 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
%97 = zext i32 %83 to i64 ; <i64> [#uses=1]
%98 = shl i64 %97, 48 ; <i64> [#uses=1]
%99 = zext i32 %84 to i64 ; <i64> [#uses=1]
%100 = shl i64 %99, 32 ; <i64> [#uses=1]
%101 = sext i32 %95 to i64 ; <i64> [#uses=1]
%102 = shl i64 %101, 16 ; <i64> [#uses=1]
%103 = sext i32 %96 to i64 ; <i64> [#uses=1]
%104 = or i64 %100, %98 ; <i64> [#uses=1]
%105 = or i64 %104, %102 ; <i64> [#uses=1]
%106 = or i64 %105, %103 ; <i64> [#uses=2]
%107 = shl i64 %70, 16 ; <i64> [#uses=1]
%108 = and i64 %107, 4294901760 ; <i64> [#uses=1]
%109 = and i64 %106, 65535 ; <i64> [#uses=1]
%110 = or i64 %34, %32 ; <i64> [#uses=1]
%111 = or i64 %110, %108 ; <i64> [#uses=1]
%112 = or i64 %111, %109 ; <i64> [#uses=1]
store i64 %70, i64* %4, align 16
store i64 %106, i64* %5, align 8
%113 = icmp eq i64 %112, 0 ; <i1> [#uses=1]
br i1 %113, label %bb2325, label %bb2315
bb2315: ; preds = %bb2295
%114 = icmp eq %struct.xx_t* %159, null ; <i1> [#uses=1]
br i1 %114, label %bb2318, label %bb2317
bb2317: ; preds = %bb2315
%115 = load i64, i64* %2, align 16 ; <i64> [#uses=1]
%116 = call i32 (...) @_u16a_cm( i64 %115, %struct.xx_t* %159, double 0.000000e+00, double 1.047551e+06 ) nounwind ; <i32> [#uses=1]
%117 = sext i32 %116 to i64 ; <i64> [#uses=1]
store i64 %117, i64* %2, align 16
%118 = load i64, i64* %3, align 8 ; <i64> [#uses=1]
%119 = call i32 (...) @_u16a_cm( i64 %118, %struct.xx_t* %159, double 0.000000e+00, double 1.047551e+06 ) nounwind ; <i32> [#uses=1]
%120 = sext i32 %119 to i64 ; <i64> [#uses=1]
store i64 %120, i64* %3, align 8
%121 = load i64, i64* %4, align 16 ; <i64> [#uses=1]
%122 = call i32 (...) @_u16a_cm( i64 %121, %struct.xx_t* %159, double 0.000000e+00, double 1.047551e+06 ) nounwind ; <i32> [#uses=1]
%123 = sext i32 %122 to i64 ; <i64> [#uses=1]
store i64 %123, i64* %4, align 16
%124 = load i64, i64* %5, align 8 ; <i64> [#uses=1]
%125 = call i32 (...) @_u16a_cm( i64 %124, %struct.xx_t* %159, double 0.000000e+00, double 1.047551e+06 ) nounwind ; <i32> [#uses=0]
unreachable
bb2318: ; preds = %bb2315
%126 = getelementptr %struct.CGLSI, %struct.CGLSI* %src, i32 %indvar5021, i32 8 ; <%struct.vv_t*> [#uses=1]
%127 = bitcast %struct.vv_t* %126 to i64* ; <i64*> [#uses=1]
%128 = load i64, i64* %127, align 8 ; <i64> [#uses=1]
%129 = trunc i64 %128 to i32 ; <i32> [#uses=4]
%130 = load i64, i64* %2, align 16 ; <i64> [#uses=1]
%131 = call i32 (...) @_u16_ff( i64 %130, i32 %129 ) nounwind ; <i32> [#uses=1]
%132 = sext i32 %131 to i64 ; <i64> [#uses=1]
store i64 %132, i64* %2, align 16
%133 = load i64, i64* %3, align 8 ; <i64> [#uses=1]
%134 = call i32 (...) @_u16_ff( i64 %133, i32 %129 ) nounwind ; <i32> [#uses=1]
%135 = sext i32 %134 to i64 ; <i64> [#uses=1]
store i64 %135, i64* %3, align 8
%136 = load i64, i64* %4, align 16 ; <i64> [#uses=1]
%137 = call i32 (...) @_u16_ff( i64 %136, i32 %129 ) nounwind ; <i32> [#uses=1]
%138 = sext i32 %137 to i64 ; <i64> [#uses=1]
store i64 %138, i64* %4, align 16
%139 = load i64, i64* %5, align 8 ; <i64> [#uses=1]
%140 = call i32 (...) @_u16_ff( i64 %139, i32 %129 ) nounwind ; <i32> [#uses=0]
unreachable
bb2319: ; preds = %bb2326
%141 = getelementptr %struct.CGLSI, %struct.CGLSI* %src, i32 %indvar5021, i32 2 ; <i8**> [#uses=1]
%142 = load i8*, i8** %141, align 4 ; <i8*> [#uses=4]
%143 = getelementptr i8, i8* %142, i32 0 ; <i8*> [#uses=1]
%144 = call i32 (...) @_u16_sf32( double 0.000000e+00, double 6.553500e+04, double 5.000000e-01, i8* %143 ) nounwind ; <i32> [#uses=1]
%145 = sext i32 %144 to i64 ; <i64> [#uses=2]
%146 = getelementptr i8, i8* %142, i32 0 ; <i8*> [#uses=1]
%147 = call i32 (...) @_u16_sf32( double 0.000000e+00, double 6.553500e+04, double 5.000000e-01, i8* %146 ) nounwind ; <i32> [#uses=1]
%148 = sext i32 %147 to i64 ; <i64> [#uses=2]
%149 = shl i64 %145, 48 ; <i64> [#uses=0]
%150 = shl i64 %148, 32 ; <i64> [#uses=1]
%151 = and i64 %150, 281470681743360 ; <i64> [#uses=0]
store i64 %145, i64* %2, align 16
store i64 %148, i64* %3, align 8
%152 = getelementptr i8, i8* %142, i32 0 ; <i8*> [#uses=1]
%153 = call i32 (...) @_u16_sf32( double 0.000000e+00, double 6.553500e+04, double 5.000000e-01, i8* %152 ) nounwind ; <i32> [#uses=1]
%154 = sext i32 %153 to i64 ; <i64> [#uses=0]
%155 = getelementptr i8, i8* %142, i32 0 ; <i8*> [#uses=1]
%156 = call i32 (...) @_u16_sf32( double 0.000000e+00, double 6.553500e+04, double 5.000000e-01, i8* %155 ) nounwind ; <i32> [#uses=0]
unreachable
bb2325: ; preds = %bb2326, %bb2295
%indvar.next5145 = add i32 %indvar5021, 1 ; <i32> [#uses=1]
br label %bb2326
bb2326: ; preds = %bb2325, %bb.nph4945
%indvar5021 = phi i32 [ 0, %bb.nph4945 ], [ %indvar.next5145, %bb2325 ] ; <i32> [#uses=6]
%157 = icmp slt i32 %indvar5021, %n ; <i1> [#uses=0]
%158 = getelementptr %struct.CGLSI, %struct.CGLSI* %src, i32 %indvar5021, i32 10 ; <%struct.xx_t**> [#uses=1]
%159 = load %struct.xx_t*, %struct.xx_t** %158, align 4 ; <%struct.xx_t*> [#uses=5]
%160 = getelementptr %struct.CGLSI, %struct.CGLSI* %src, i32 %indvar5021, i32 1 ; <i32*> [#uses=1]
%161 = load i32, i32* %160, align 4 ; <i32> [#uses=1]
%162 = and i32 %161, 255 ; <i32> [#uses=1]
switch i32 %162, label %bb2325 [
i32 59, label %bb2217
i32 60, label %bb2319
]
return: ; preds = %entry
ret void
}
declare i32 @_u16_ff(...)
declare i32 @_u16a_cm(...)
declare i32 @_u16_sf32(...)
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